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Cisco VPN klient med Ubuntu

March 25, 2010 by mark

Det er jo dejligt nemt med network-manager og vpnc, men jeg manglede ‘group password’ som lå gemt i Cisco VPN klienten i Windows. Der findes heldigvis et cisco-decrypt værktøj der dekryptrer det, så det nemt kan indtastes i f.eks. Ubuntu’s VPN klient. Det findes også som cgi form, nemmere kan det ikke blive :) http://www.unix-ag.uni-kl.de/~massar/bin/cisco-decode

Posted in: Linux & Unix, Security Related Tagged: cisco, ubuntu, vpn

Importer CAcert rod certifikat

April 2, 2009 by mark

For at undgå SSL sikkerheds advarsler i browser og email-klienter, når min mailserver tilgåes, så er det nødvendigt at importere rod certifikatet fra CAcert. Bruger du Internet Explorer: Så skal du klikke på dette link: http://www.cacert.org/certs/root.crt og klikke Install Certificate og følge guiden. Bruger du Firefox (anbefales): Så skal du klikke på dette link: http://www.cacert.org/certs/root.crt … [Read more…]

Posted in: Security Related Tagged: cacert, certificate, certifikat

apt-get – GPG error: NO_PUBKEY

March 22, 2006 by mark

Problem W: GPG error: http://debmirror sarge Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY EA8E8B2116BA136C W: You may want to run apt-get update to correct these problems Solution gpg –recv-keys KEY-ID gpg –armor –export KEY-ID | apt-key add – or you could just tell APT to allow unauthenticated … [Read more…]

Posted in: Linux & Unix, Security Related Tagged: apt, gpg, key

Anti Spam SMTP Proxy

October 14, 2005 by mark

Jeg har i mange år brugt http://spamassassin.apache.org til at checke indgående emails på min mailserver for Spam. Det har sådan set virket udenmærket, og SpamAssassin har tagget spam-emails med en header, så folk nemt kunne filtrere dem til Deres Spam/Junk folder. Da jeg for ikke lang tid siden skulle sætte en ny email løsning op, … [Read more…]

Posted in: Linux & Unix, Security Related Tagged: perl, proxy, spam

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