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	<title>Xoltec&#039;s Blog</title>
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	<description>Informatique, OpenBSD, Configurations etc..</description>
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		<title>Xoltec&#039;s Blog</title>
		<link>http://xoltec.wordpress.com</link>
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		<item>
		<title>Enregistrement des sites interessants</title>
		<link>http://xoltec.wordpress.com/2010/03/29/enregistrement-des-sites-interessants/</link>
		<comments>http://xoltec.wordpress.com/2010/03/29/enregistrement-des-sites-interessants/#comments</comments>
		<pubDate>Mon, 29 Mar 2010 11:45:33 +0000</pubDate>
		<dc:creator>xoltec</dc:creator>
				<category><![CDATA[1]]></category>

		<guid isPermaLink="false">http://xoltec.wordpress.com/?p=55</guid>
		<description><![CDATA[Bonjour Alors maintenant c&#8217;est enregistrement systématique des sites intéressant sur mon blog, marre des bons liens qui disparaissent.. D&#8217;ici 1 mois ou 2 tout va aller très vite je vais commencer à faire quelques truc cool avec mon pc, comprendre, refaire les exemples, trouver des exemples,faire planter le truc,refaire planter le truc, etc&#8230; à bientôt<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=xoltec.wordpress.com&amp;blog=9257501&amp;post=55&amp;subd=xoltec&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Bonjour</p>
<p>Alors maintenant c&#8217;est enregistrement systématique des sites intéressant sur mon blog, marre des bons liens qui disparaissent..</p>
<p>D&#8217;ici 1 mois ou 2 tout va aller très vite je vais commencer à faire quelques truc cool avec mon pc, comprendre, refaire les exemples, trouver des exemples,faire planter le truc,refaire planter le truc, etc&#8230;</p>
<p>à bientôt</p>
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			<media:title type="html">xoltec</media:title>
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		<title>Adresse intéressante</title>
		<link>http://xoltec.wordpress.com/2010/02/11/adresse-interessante/</link>
		<comments>http://xoltec.wordpress.com/2010/02/11/adresse-interessante/#comments</comments>
		<pubDate>Thu, 11 Feb 2010 13:13:10 +0000</pubDate>
		<dc:creator>xoltec</dc:creator>
				<category><![CDATA[1]]></category>

		<guid isPermaLink="false">http://xoltec.wordpress.com/2010/02/11/adresse-interessante/</guid>
		<description><![CDATA[http://www.darkc0de.com/tutorials/ -&#62; Maximum de tutos sur l&#8217;underground http://www.l0t3k.org/security/ -&#62; IDEM http://nmap.org/man/fr/index.html -&#62; N&#8217;évite pas d&#8217;acheter le bouquin http://10minutemail.com/10MinuteMail/ -&#62; Mail qui dure 10 minutes, évite le spam http://www.ultravpn.fr/ -&#62; VPN gratos français<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=xoltec.wordpress.com&amp;blog=9257501&amp;post=42&amp;subd=xoltec&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>http://www.darkc0de.com/tutorials/ -&gt; Maximum de tutos sur l&#8217;underground</p>
<p>http://www.l0t3k.org/security/        -&gt; IDEM</p>
<p>http://nmap.org/man/fr/index.html   -&gt; N&#8217;évite pas d&#8217;acheter le bouquin</p>
<p>http://10minutemail.com/10MinuteMail/ -&gt; Mail qui dure 10 minutes, évite le spam</p>
<p>http://www.ultravpn.fr/ -&gt; VPN gratos français</p>
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			<media:title type="html">xoltec</media:title>
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		<title>Ubuntu 9.10 #2 Client Openvpn console &amp; Nessus 4.2</title>
		<link>http://xoltec.wordpress.com/2010/02/10/ubuntu-9-10-2-client-openvpn-console/</link>
		<comments>http://xoltec.wordpress.com/2010/02/10/ubuntu-9-10-2-client-openvpn-console/#comments</comments>
		<pubDate>Wed, 10 Feb 2010 19:06:07 +0000</pubDate>
		<dc:creator>xoltec</dc:creator>
				<category><![CDATA[Ubuntu 9.10]]></category>
		<category><![CDATA[client]]></category>
		<category><![CDATA[console]]></category>
		<category><![CDATA[installation]]></category>
		<category><![CDATA[nessus 4.2]]></category>
		<category><![CDATA[openvpn]]></category>
		<category><![CDATA[tuto]]></category>
		<category><![CDATA[ubuntu]]></category>
		<category><![CDATA[vpn]]></category>

		<guid isPermaLink="false">http://xoltec.wordpress.com/?p=26</guid>
		<description><![CDATA[OpenVpn Client Pour ma part j&#8217;utilise pour le moment ultravpn car c&#8217;est gratuit, on copie les fichiers du repertoire config contenant : -ca -client -readme -stealty connect (connection par tcp) que je renomme en &#8220;stealty&#8221; dans le repertoire /etc/openvpn sudo openvpn --cd /etc/openvpn --config /etc/openvpn/stealthy --script-security et là, vous pouvez vérifier avecun navigateur console par [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=xoltec.wordpress.com&amp;blog=9257501&amp;post=26&amp;subd=xoltec&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<h2>OpenVpn Client</h2>
<p><span style="color:#339966;">Pour ma part j&#8217;utilise pour le moment ultravpn car c&#8217;est gratuit, on copie les fichiers du repertoire config contenant :</span></p>
<p>-ca</p>
<p>-client</p>
<p>-readme</p>
<p>-stealty connect (connection par tcp) <span style="color:#339966;">que je renomme en &#8220;stealty&#8221;</span></p>
<p><span style="color:#339966;">dans le repertoire /etc/openvpn</span><br />
<span style="color:#3366ff;"> </span></p>
<p><span style="color:#3366ff;"><code>sudo openvpn --cd /etc/openvpn --config /etc/openvpn/stealthy --script-security</code></span></p>
<p><span style="color:#339966;">et là, vous pouvez vérifier avecun navigateur console par exemple,<br />
</span></p>
<p><span style="color:#3366ff;">w3m google.fr</span> <span style="color:#339966;">-&gt; mon-ip.org -&gt; et hop !</span><br />
<span style="color:#339966;">Have fun !</span></p>
<h2>Nessus 4.2</h2>
<p><span style="color:#339966;">Aller <a href="http://www.nessus.org/download/nessus_download.php" target="_blank">ici</a> et choisir Ubuntu 9.10 enfin si vous l&#8217;avez..</span><br />
<span style="color:#3366ff;">dpkg -i Nessus-4.2.0-ubuntu910_i386.deb</span><br />
<span style="color:#3366ff;"><br />
sudo /opt/nessus/sbin/nessus-adduser</span><br />
<span style="color:#339966;">aller <a href="http://www.nessus.org/plugins/?view=register-info" target="_blank">ici</a> choisir Home Feed pour la version gratuite, vous recevrez l&#8217;email avec votre serial, à refaire cette étape si vous réinstaller sur un autre pc.<br />
</span><br />
<span style="color:#3366ff;"><code>sudo nessus-fetch --register xxxx-xxxx-xxxx-xxxx-xxxx</code></span></p>
<p><span style="color:#3366ff;">sudo reboot</span><span style="color:#339966;"><br />
</span><br />
<span style="color:#339966;">C&#8217;est normal d&#8217;attendre 5 ou 10minutes lors du redémarrage pour pouvoir se servir de Nessus, le serveur charge les plugins.</span></p>
<p>http://localhost:8834/ <span style="color:#339966;">ou l&#8217;ip de votre pc abritant Nessusd</span></p>
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		<title>Ubuntu 9.10 Etape #1 Le Shell distant &amp; Postfix pour Orange &amp; Logcheck</title>
		<link>http://xoltec.wordpress.com/2010/02/08/ubuntu-9-10-etape-1-le-shell-distant-postfix-pour-orange-logcheck/</link>
		<comments>http://xoltec.wordpress.com/2010/02/08/ubuntu-9-10-etape-1-le-shell-distant-postfix-pour-orange-logcheck/#comments</comments>
		<pubDate>Mon, 08 Feb 2010 13:56:43 +0000</pubDate>
		<dc:creator>xoltec</dc:creator>
				<category><![CDATA[Ubuntu 9.10]]></category>
		<category><![CDATA[console]]></category>
		<category><![CDATA[logcheck]]></category>
		<category><![CDATA[mail]]></category>
		<category><![CDATA[orange]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[ubuntu]]></category>

		<guid isPermaLink="false">http://xoltec.wordpress.com/?p=13</guid>
		<description><![CDATA[&#8212;&#8211; SSH &#124; &#8212;&#8211; #sudo apt-cache serach openssh #sudo apt-get install openssh-server #sudo vim /etc/ssh/sshd_config #permit root login = no &#8212;&#8212;&#8211; POSTFIX &#124; &#8212;&#8212;&#8212; 1°) Aller ici 2°) Aller ici Lire attentivement, inutile de se prendre la tête.. car ça fonctionne chez moi donc pourquoi pas chez vous ? &#8212;&#8212;- Sauvegarde du site &#8212;&#8212;- Someday [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=xoltec.wordpress.com&amp;blog=9257501&amp;post=13&amp;subd=xoltec&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>&#8212;&#8211;<br />
<strong><span style="color:#00ff00;">SSH</span></strong> |<br />
&#8212;&#8211;<br />
<span style="color:#3366ff;"> <span style="color:#ff9900;">#</span>sudo apt-cache serach openssh</span><br />
<span style="color:#3366ff;"> <span style="color:#ff9900;">#</span>sudo apt-get install openssh-server</span></p>
<p><span style="color:#3366ff;"><span style="color:#ff9900;">#</span>sudo vim /etc/ssh/sshd_config</span><br />
<span style="color:#800080;"> #permit root login = no</span></p>
<p>&#8212;&#8212;&#8211;<br />
<strong><span style="color:#00ff00;">POSTFIX</span></strong> |<br />
&#8212;&#8212;&#8212;</p>
<p><span style="color:#339966;">1°) Aller <a href="http://doc.ubuntu-fr.org/postfix">ici</a></span><br />
<span style="color:#339966;">2°) Aller <a href="http://www.anaema.com/port-25-blocked.html">ici</a></span></p>
<p><span style="color:#339966;">Lire attentivement, inutile de se prendre la tête.. car ça fonctionne chez moi donc pourquoi pas chez vous ? <img src='http://s0.wp.com/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /><br />
</span></p>
<p>&#8212;&#8212;-</p>
<p><span style="color:#ff0000;"><strong>Sauvegarde du site<br />
</strong></span></p>
<p><strong>&#8212;&#8212;-<br />
</strong></p>
<p>Someday your beloved port 25 will be blocked by your ISP, at least for outgoing trafic. If you&#8217;re a Postfix user, let&#8217;s see how to circumvent this annoying limitation&#8230;</p>
<p>1) You have a local Postfix server that wants to talk to the outside world</p>
<p>You have to use your ISP&#8217;s SMTP server as a relay, with or without authentification.</p>
<p>Add a &#8216;relayhost&#8217; directive to /etc/postfix/main.cf<br />
For my ISP (orange.fr)<br />
<span style="color:#993366;">relayhost = [smtp-msa.orange.fr]:587</span></p>
<p>If the relayhost needs authentification, add these directives to main.cf<br />
<span style="color:#993366;">smtp_sasl_auth_enable = yes<br />
smtp_sasl_password_maps = hash:/etc/postfix/sasl_client<br />
smtp_sasl_security_options = noanonymous</span></p>
<p>create a new file /etc/postfix/sasl_client<br />
edit this file and add an entry like<br />
<span style="color:#993366;">[smtp-msa.orange.fr]:587 mylogin:mypass</span><br />
mylogin:mypass =&gt; SMTP login and pass<br />
<span style="color:#ff9900;"> #</span><span style="color:#3366ff;">sudo postmap /etc/postfix/sasl_client</span> (will create sasl_client.db file)</p>
<p>service postfix reload</p>
<p>2) Your MUA wants to reach your outside Postfix server ?</p>
<p>On your server, edit /etc/postfix/master.cf and uncomment the line starting with &#8216;submission inet&#8217;, like this :</p>
<p>submission inet n &#8211; n &#8211; - smtpd<br />
-o smtpd_etrn_restrictions=reject<br />
-o smtpd_client_restrictions=permit_sasl_authenticated,reject</p>
<p>service postfix reload</p>
<p>Configure your MUA (eg. thunderbird) to use the port 587</p>
<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-</p>
<p><span style="color:#339966;">Mon fichier ressemble à ça pour envoyer du courrier avec mon FAI Orange,</span></p>
<blockquote><p><span style="color:#993366;"># See /usr/share/postfix/main.cf.dist for a commented, more complete version</span></p>
<p><span style="color:#993366;"># Debian specific:  Specifying a file name will cause the first<br />
# line of that file to be used as the name.  The Debian default<br />
# is /etc/mailname.<br />
#myorigin = /etc/mailname</span></p>
<p><span style="color:#993366;">smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)<br />
biff = no</span></p>
<p><span style="color:#993366;"># appending .domain is the MUA&#8217;s job.<br />
append_dot_mydomain = no</span></p>
<p><span style="color:#993366;"># Uncomment the next line to generate &#8220;delayed mail&#8221; warnings<br />
#delay_warning_time = 4h</span></p>
<p><span style="color:#993366;">readme_directory = no</span></p>
<p><span style="color:#993366;"># TLS parameters<br />
smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt<br />
smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key<br />
smtpd_use_tls = yes<br />
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache<br />
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache</span></p>
<p><span style="color:#993366;"># See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for<br />
# information on enabling SSL in the smtp client.</span></p>
<p><span style="color:#993366;">myhostname = gmail.com<br />
alias_maps = hash:/etc/aliases<br />
alias_database = hash:/etc/aliases<br />
mydestination = ubuntu, localhost.localdomain, , localhost<br />
relayhost = [smtp-msa.orange.fr]:587<br />
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128<br />
mailbox_command =<br />
mailbox_size_limit = 0<br />
recipient_delimiter = +<br />
inet_interfaces = all<br />
inet_protocols = all<br />
smtpd_sasl_local_domain =<br />
smtpd_sasl_auth_enable = yes<br />
smtpd_sasl_security_options = noanonymous<br />
broken_sasl_auth_clients = yes<br />
smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination,<br />
smtpd_tls_auth_only = no<br />
smtp_use_tls = yes<br />
smtp_tls_note_starttls_offer = yes<br />
smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem<br />
smtpd_tls_loglevel = 1<br />
smtpd_tls_received_header = yes<br />
smtpd_tls_session_cache_timeout = 3600s<br />
tls_random_source = dev:/dev/urandom<br />
smtp_sasl_auth_enable = yes<br />
smtp_sasl_password_maps = hash:/etc/postfix/sasl_client<br />
smtp_sasl_security_options = noanonymous<br />
default_transport = smtp<br />
#canonical_maps = hash:/etc/postfix/canonical</span><a href="http://postfix.traduc.org/index.php/postconf.5.html#smtpd_helo_required"></a></p></blockquote>
<p><span style="color:#339966;">personne ne pourra utiliser le serveur hormis localhost,vous pouvez modifier pour que votre réseau puisse l&#8217;utiliser, <a href="http://postfix.traduc.org/index.php/SMTPD_ACCESS_README.html" target="_blank">ici</a> pour sécure un peu mieu<br />
</span></p>
<p><span style="color:#339966;">modifier les alias pour que l&#8217;utilisateur logcheck devienne celui de votre choix, utile pour l&#8217;envoie du courrier<br />
mon adresse c&#8217;est jean.moulin.gmail.com</span></p>
<p><span style="color:#3366ff;"><span style="color:#ff6600;">#</span>sudo vim /etc/aliases</span></p>
<blockquote><p><span style="color:#800080;">logcheck:jean.moulin</span></p></blockquote>
<p><span style="color:#3366ff;"><span style="color:#ff6600;">#</span>sudo postalias /etc/aliases</span></p>
<p><span style="color:#339966;">pour le gmail.com<br />
votre fichier main.cf doit avoir myhostname=gmail.com</span></p>
<p><span style="color:#339966;">ensuite</span><br />
<span style="color:#ff6600;">#</span><span style="color:#3366ff;">sudo cat /var/log/mail.log</span><br />
<span style="color:#339966;"> affiche les erreurs donc les endroits à chercher pour dépanner</span></p>
<p><span style="color:#339966;">Bon ensuite quelque commande pour vérifier la configuration et voire si le serveur ne peut être utilisé de l&#8217;exterieur, (selon ma config je ne devrais pas pouvoir envoyer de mail si mon ip n&#8217;est pas localhost)<br />
</span></p>
<p><span style="color:#3366ff;">telnet monserveur 25</span></p>
<p><span style="color:#3366ff;">HELO test.com</span></p>
<p><span style="color:#3366ff;">MAIL FROM: fausse_adresse</span></p>
<p><span style="color:#3366ff;">RCPT TO: mon_adresse</span></p>
<p><span style="color:#3366ff;">DATA</span></p>
<p><span style="color:#3366ff;">coucou !</span></p>
<p><span style="color:#3366ff;">.<span style="color:#339966;"> </span></span><span style="color:#339966;">-&gt;pour terminer le message</span></p>
<p><span style="color:#3366ff;">quit</span></p>
<p><span style="color:#339966;">Un relay bloqué vous l&#8217;indiquera après RCPT TO: mon_adresse, à partir de ce moment là, aucun spammer, mais bon là le serveur Postfix est utilisé uniquement dans le but d&#8217;envoyer des petits messages à partir de cette machine, ensuite on pourrais le configurer autrement si le réseau s&#8217;agrandit et qui surtout demande d&#8217;être utilisé  autrement sinon on touche rien !</span></p>
<p><span style="color:#339966;">petit exemple d&#8217;une instrusion dans /var/log/mail.log :</span></p>
<p>connect from *-PC[192.168.1.52]<br />
Feb 11 13:36:19 ubuntu postfix/smtpd[3141]: NOQUEUE: reject: RCPT from x-PC[192.168.1.52]: 554 5.7.1 &lt;**@gmail.com&gt;: Relay access denied; from=&lt;google@gmail.com&gt; to=&lt;**@gmail.com&gt; proto=SMTP helo=&lt;**.com&gt;</p>
<p>&#8212;&#8212;&#8212;<br />
<strong><span style="color:#00ff00;">LOGCHECK</span></strong>|<br />
&#8212;&#8212;&#8211;</p>
<p><span style="color:#ff6600;">#</span><span style="color:#3366ff;">sudo apt-get install logcheck syslog-summary</span><br />
<span style="color:#ff6600;">#</span><span style="color:#3366ff;">sudo vim /etc/logcheck/logcheck.logfiles</span> -&gt; <span style="color:#339966;">rajoute des ficher log a surveiller comme &#8220;/var/log/mail.log&#8221;</span></p>
<p><span style="color:#339966;">moi j&#8217;ai rajouter</span><br />
<span style="color:#993366;">/var/log/dpkg.log</span></p>
<p><span style="color:#3366ff;"><span style="color:#ff6600;">#</span>sudo vim /etc/logcheck/logcheck.conf </span>-&gt; <span style="color:#00ff00;">rajouter l&#8217;email</span></p>
<p><span style="color:#3366ff;"><span style="color:#ff6600;">#</span>sudo -u logcheck logcheck -o -t </span> -&gt;<span style="color:#00ff00;"> pour vérifier, cela n&#8217;envoie pas de mail</span></p>
<p><span style="color:#339966;">pour la tache cron</span><br />
<span style="color:#3366ff;"><span style="color:#ff6600;">#</span>sudo dpkg-reconfigure logcheck</span><br />
<span style="color:#339966;">et vous suivez les instructions</span></p>
<p><span style="color:#339966;">si vous ne recevez pas de mail</span><br />
<span style="color:#3366ff;"><span style="color:#ff6600;">#</span>sudo cat /var/log/mail.log</span></p>
<p><span style="color:#339966;">et hop vous aller poser la question sur un forum,  privilégié un forum comme linuxfr.org, plus vaste, n&#8217;hésitez pas à poster votre question dans plusieurs forum s&#8217;ils ne répondent pas..<br />
pour la sécurité le forum ixus reste une référence, </span></p>
<p><span style="color:#339966;">Voilà votre système est doté d&#8217;un serveur mail Postfix non accessible à tout le monde, uniquement à localhost donc ce n&#8217;est pas un futur relais à spam de toute magnière votre FAI le détectera et vous couper la connection, si inbus de votre volonté, il seront compréhensif et il faudra fixer ça<br />
</span></p>
<p><span style="color:#339966;">Vous avez un système qui vous envoie toute les heures dans votre email, des logs, mais des logs utile ! tout ceux qui ont était modifié et que vous n&#8217;avez pas lu, tant que vous avez inscrit le path du log à surveiller biensur, c&#8217;est primordiale un système pareil.</span></p>
<p><span style="color:#339966;">have fun !</span><br />
&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;</p>
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		<title>OpenBSD Etape #2 Mise à jour.</title>
		<link>http://xoltec.wordpress.com/2009/09/06/openbsd-etape-2-mise-a-jour/</link>
		<comments>http://xoltec.wordpress.com/2009/09/06/openbsd-etape-2-mise-a-jour/#comments</comments>
		<pubDate>Sun, 06 Sep 2009 16:59:20 +0000</pubDate>
		<dc:creator>xoltec</dc:creator>
				<category><![CDATA[OpenBSD]]></category>
		<category><![CDATA[cvs]]></category>
		<category><![CDATA[cvsup]]></category>
		<category><![CDATA[français]]></category>
		<category><![CDATA[mise à jour]]></category>
		<category><![CDATA[recompiler]]></category>
		<category><![CDATA[stable]]></category>
		<category><![CDATA[tuto]]></category>

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		<description><![CDATA[Nous avons besoin d&#8217;un système à jour. Avant tout utilisation lit ça et ça . On télécharge les sources via cvsup ensuite on compile d&#8217;abord le noyau ( lekernel) on reboot et après le userland (les programmes) et basta. # pkg_add -v cvsup-16.1hp0-no_x11.tgz # touch /etc/cvsup-file &#38;&#38; vi /etc/cvsup-file ajoute =&#62; # Defaults that apply [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=xoltec.wordpress.com&amp;blog=9257501&amp;post=5&amp;subd=xoltec&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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<div style="text-align:center;"><a href="http://systema.vox.com/openbsd/"><img title="OpenBSD" src="http://a3.vox.com/6a00d4144c6ed16a4700cd9740c4c34cd5-120pi" alt="OpenBSD" /></a></div>
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</div>
<p><!-- end enclosure --><strong><em>Nous avons besoin d&#8217;un système à jour.</em></strong><br />
Avant tout utilisation lit <a href="http://openbsd.org/faq/fr/faq5.html#Flavors">ça</a> et <a href="http://openbsd.org/fr/stable.html">ça</a> .</p>
<p>On télécharge les sources via cvsup ensuite on compile d&#8217;abord le noyau ( lekernel) on reboot et après le userland (les programmes) et basta.<br />
<span style="color:#ff0000;"><br />
</span><span style="color:#df8504;">#</span> <span style="color:#3366ff;">pkg_add -v cvsup-16.1hp0-no_x11.tgz </span><br />
<span style="color:#df8504;">#</span> <span style="color:#3366ff;">touch /etc/cvsup-file &amp;&amp; vi /etc/cvsup-file</span><br />
<span style="color:#df8504;">ajoute =&gt;</span></p>
<p><span style="color:#993399;"># Defaults that apply to all the collections<br />
*default release=cvs<br />
*default delete use-rel-suffix<br />
*default umask=002<br />
*default host=anoncvs3.usa.openbsd.org<br />
*default base=/usr<br />
*default prefix=/usr<br />
*default tag=OPENBSD_4_1<br />
OpenBSD-src</span></p>
<p><span style="color:#df8504;">#</span> <span style="color:#3366ff;">cvsup -g -L 2 cvsup-file</span> <span style="color:#33cc33;">*/il télécharge les mises à jour <img src='http://s1.wp.com/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' />  */</span></p>
<pre><span style="text-decoration:underline;">Pour reconstruire le kernel par défaut de la branche stable :</span>

<span style="color:#df8504;">#</span> <span style="color:#3366ff;"><strong>cd /usr/src/sys/arch/i386/conf</strong></span>
<span style="color:#df8504;">#</span> <span style="color:#3366ff;"><strong>/usr/sbin/config GENERIC</strong></span>
<span style="color:#df8504;">#</span> <span style="color:#3366ff;"><strong>cd /usr/src/sys/arch/i386/compile/GENERIC</strong></span>
<span style="color:#df8504;">#</span> <strong><span style="color:#3366ff;">make clean &amp;&amp; make depend &amp;&amp; make</span>

</strong><span style="color:#df8504;">#</span> <span style="color:#3366ff;"><strong>cd /usr/src/sys/arch/i386/compile/GENERIC</strong></span>
<span style="color:#df8504;">#</span> <span style="color:#3366ff;"><strong>make install</strong> </span>         <span style="color:#33cc33;"><em>*/Installez le nouveau noyau de façon sûre*/</em></span>
<span style="color:#df8504;">#</span> <strong><span style="color:#3366ff;">reboot</span>

</strong></pre>
<p><span style="text-decoration:underline;"> Pour reconstruire les binaires systèmes :</span></p>
<pre><span style="color:#df8504;">#</span> <span style="color:#3366ff;"><strong>rm -r /usr/obj/*</strong></span>
<span style="color:#df8504;">#</span> <span style="color:#3366ff;"><strong>cd /usr/src</strong></span>
<span style="color:#df8504;">#</span> <span style="color:#3366ff;"><strong>make obj</strong></span>
<span style="color:#df8504;">#</span> <span style="color:#3366ff;"><strong>cd /usr/src/etc &amp;&amp; env DESTDIR=/ make distrib-dirs</strong></span>
<span style="color:#df8504;">#</span> <span style="color:#3366ff;"><strong>cd /usr/src</strong></span>
<span style="color:#df8504;">#</span> <span style="color:#3366ff;"><strong>make build</strong></span></pre>
<p><span style="color:#ff0000;">Ceci va prendre du temps&#8230;</span></p>
<pre>Vous pouvez aussi simplement patcher le système à la main avec des patchs.
voir <a href="http://www.openbsd.org/errata41.html">ici</a> et <a href="http://www.openbsd101.com/patching.html">ici</a> .</pre>
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		<title>OpenBSD Etape #1 Le Shell distant &amp; Config. de base.</title>
		<link>http://xoltec.wordpress.com/2009/09/06/openbsd-etape-1-le-shell-distant-config-de-base/</link>
		<comments>http://xoltec.wordpress.com/2009/09/06/openbsd-etape-1-le-shell-distant-config-de-base/#comments</comments>
		<pubDate>Sun, 06 Sep 2009 16:56:21 +0000</pubDate>
		<dc:creator>xoltec</dc:creator>
				<category><![CDATA[OpenBSD]]></category>
		<category><![CDATA[étape 1]]></category>
		<category><![CDATA[français]]></category>
		<category><![CDATA[installation]]></category>
		<category><![CDATA[installer des programmes]]></category>
		<category><![CDATA[openssh]]></category>
		<category><![CDATA[shell]]></category>
		<category><![CDATA[ssh]]></category>
		<category><![CDATA[sudo]]></category>
		<category><![CDATA[tuto]]></category>

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		<description><![CDATA[Salut besoin d&#8217;aide  sur Open ? On va regarder les bases.. Pour l&#8217;installation d&#8217;Open je vous laisse consulter ce site web. 1 &#8211; Bases # adduser [lambda] */Création d&#8217;un utilisateur car il est plutot chaud de se ballader en root n&#8217;importe où*/ # vi /etc/group */Pouvoir se connecter en root à partir du nouvel utilisateur [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=xoltec.wordpress.com&amp;blog=9257501&amp;post=3&amp;subd=xoltec&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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<div style="text-align:center;"><a href="http://systema.vox.com/openbsd/"><img title="OpenBSD" src="http://a3.vox.com/6a00d4144c6ed16a4700cd9740c4c34cd5-120pi" alt="OpenBSD" /></a></div>
<div>
<div></div>
</div>
</div>
</div>
</div>
<p><!-- end enclosure -->Salut besoin d&#8217;aide  sur Open ?<br />
On va regarder les bases..</p>
<p><span style="color:#ff0000;">Pour l&#8217;installation d&#8217;Open je vous laisse consulter ce</span> <a href="http://www.lalitte.com/openbsd">site web</a><span style="color:#ff0000;">.</span></p>
<p>1 &#8211; Bases</p>
<p><span style="color:#df8504;">#</span> <span style="color:#3075fb;">adduser</span> <span style="color:#df8504;">[lambda]</span> <span style="color:#33cc33;">*/Création d&#8217;un utilisateur car il est plutot chaud de se ballader en root n&#8217;importe où*/</span><br />
<span style="color:#df8504;">#</span> <span style="color:#3075fb;">vi /etc/group</span> <span style="color:#33cc33;">*/Pouvoir se connecter en root à partir du nouvel utilisateur</span> <span style="color:#660000;">IMPORTANT</span><span style="color:#33cc33;">*/</span><span style="color:#000000;"><br />
<span style="color:#df8504;">ajouter =&gt;</span></span><span style="color:#993399;"> wheel:*:0:root,[lambda]</span><br />
<span style="color:#33cc33;">*/Fabrication des clées SSH via</span> <span style="color:#ff0000;">ssh-keygen</span> ,<span style="color:#33cc33;"> renommer la clée publique en</span> <span style="color:#ff0000;">authorized_keys</span> <span style="color:#33cc33;">.*/</span><br />
<span style="color:#df8504;">#</span> <span style="color:#3075fb;">ssh-keygen -t rsa -b 1024 &amp;&amp; cd ~/.ssh/ &amp;&amp; mv id_rsa.pub authorized_keys</span><br />
<span style="color:#33cc33;">*/Copie de la clée privé</span> <span style="color:#ff0000;">id_rsa</span> <span style="color:#33cc33;">dans notre PC et la transformer avec</span> <span style="color:#ff0000;">puttygen</span> <span style="color:#33cc33;">pour Putty ou WinSCP.*/</span><br />
<span style="color:#df8504;">#</span> <span style="color:#3366ff;">vi /etc/ssh/sshd_config</span> <span style="color:#33cc33;">*/Modification du fichier</span> <span style="color:#ff0000;">sshd_config</span> <span style="color:#33cc33;">.*/</span></p>
<p><span style="color:#993399;">Port 22    <span style="color:#33cc33;">*/vous pouvez changer le port d&#8217;écoute*/</span><br />
Protocol 2    <span style="color:#33cc33;">*/obliger les connections en protocole 2*/</span><br />
PermitRootLogin no    <span style="color:#33cc33;">*/permettre de ne pas se logguer en root*/</span><br />
RSAAuthentication yes<br />
PubkeyAuthentication yes </span><span style="color:#33cc33;">*/authorise les connections via clée public et clée privée*/</span><br />
<span style="color:#993399;">AuthorizedKeysFile      .ssh/authorized_keys    <span style="color:#33cc33;">*/authorise les connections via clée public et clée privée*/</span><br />
PasswordAuthentication no    <span style="color:#33cc33;">*/permet de bloquer les bruteforces et d&#8217;éviter qu&#8217;un mot de passe ne circule en clair sur le réseaux*/</span><br />
PermitEmptyPasswords no</span> <span style="color:#33cc33;">*/permettre de ne pas taper un vide en mot de passe*/<br />
</span><br />
<span style="color:#33cc33;">*/Communication à présent sécurisé, tout ce qui transite de votre PC jusqu&#8217;au Serveur est encapsulé et crypté voir</span> <a href="http://www.lalitte.com/openssh/">Tutos visu. &amp; vocal flash OpenSSH</a><span style="color:#33cc33;">*/</span></p>
<p>2 &#8211; Moins il y a de service lancée sur un serveur et mieux il est protégé, il faut savoir faire un choix entre ergonomie et sécurité.</p>
<p><span style="color:#df8504;">#</span> <span style="color:#3075fb;">touch /etc/rc.conf.local &amp;&amp; vi /etc/rc.conf.local</span> <span style="color:#33cc33;">*/Créer le fichier et l&#8217;éditez pour stopper des services au démarrage*/</span><br />
<span style="color:#ff9933;">j&#8217;ai ajouté =&gt; </span></p>
<p><span style="color:#993399;">inetd=NO    */Super démon*/<br />
check_quotas=NO    */comme son nom l&#8217;indique*/<br />
ntpd=NO    */Serveur de synchro à l&#8217;heure mondial..*/<br />
sendmail=NO    */Envoie de mail*/</span></p>
<p>3 &#8211; Se connecter root pour utiliser quelques fois des commandes est risquer alors ils ont inventés sudo.<br />
sudo est une commande que l&#8217;on tape en simple utilisateur avant la commande qui néccessité root.<br />
<span style="color:#df8504;">#</span> <span style="color:#3366ff;">visudo</span> <span style="color:#33cc33;">/*modifie la configuration de sudo*/</span><br />
<span style="color:#df8504;">modifier =&gt;</span></p>
<p><span style="color:#993399;"># Uncomment to allow people in group wheel to run all commands<br />
%wheel ALL=(ALL)       ALL </span> <span style="color:#33cc33;">*/Attention votre utilisateur doit etre dans le groupe wheel (voire ci-dessus)*/</span></p>
<p>Ainsi vous utiliserez toujours votre serveur avec sudo, vous pouvez démarrer par exemple PF à condition de respecter la syntaxe :<span style="color:#33cc33;"><br />
<span style="color:#df8504;">$</span> <span style="color:#3366ff;">sudo pfctl -e</span></span></p>
<p>4 &#8211; L&#8217;installation des programmes est possible par ce procédé :<br />
<span style="color:#df8504;">$</span> <span style="color:#3075fb;">vi ~/.profile</span> <span style="color:#33cc33;">*/modification de notre fichier personnel*/</span><br />
<span style="color:#df8504;">ajouter ceci =&gt;</span> <span style="color:#33cc33;">*/ajout de la variable dans le fichier qui nous permettra ainsi de l&#8217;utiliser*/</span></p>
<p><span style="color:#993399;">PKG_PATH=&#8221;ftp://ftp.openbsd.org.pub/OpenBSD/4.1/packages/i386/&#8221;<br />
export PKG_PATH</span><br />
<span style="color:#df8504;"><br />
$ <span style="color:#3075fb;">sudo</span> <span style="color:#3075fb;">reboot</span><br />
</span><span style="color:#3075fb;"><br />
</span>Vous vous connecter sur ce site ftp sur votre PC et avec l&#8217;option &#8220;Rechercher dans la page&#8230;&#8221; vous recherchez le programme que vous souhaitez installer vous le retenez et :<span style="color:#df8504;"> </span></p>
<p>$ <span style="color:#3075fb;">sudo pkg_add -v </span><span style="color:#3075fb;">cvsup-16.1hp0-no_x11.tgz<br />
</span><span style="color:#33cc33;"><span style="color:#df8504;"><br />
</span></span></p>
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