Date: Sun, 9 Sep 2001 15:06:11 -0700 From: Kris Kennaway <kris@obsecurity.org> To: jack chen <chenjun@hefei.cngb.com> Cc: questions@FreeBSD.ORG Subject: Re: May you give me answer? Message-ID: <20010909150611.B5505@xor.obsecurity.org> In-Reply-To: <3B9B5FE6.C74D01FE@hefei.cngb.com>; from chenjun@hefei.cngb.com on Sun, Sep 09, 2001 at 08:26:15PM %2B0800 References: <3B9B5FE6.C74D01FE@hefei.cngb.com>
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--mojUlQ0s9EVzWg2t Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Sep 09, 2001 at 08:26:15PM +0800, jack chen wrote: > Hi there: >=20 > Recently my server installed FreeBSD released 4.2 often forbidden to > telnet and inetd proccess was shut down. >=20 > Then i read messages log and found indication:"Sep 8 08:39:17 fh666 > /kernel: pid 179 (inetd), uid 0: exited on signal 11 (core dumped)". >=20 > Why is it? May you tell me how to resolve it ? >=20 > Need you help. telnetd has a serious security hole which allows remote attackers to take over your system. This is probably what has happened. See the security advisory on the FreeBSD website. You need to wipe your system completely and reinstall it to make sure the attackers haven't left behind one or more "backdoors" which will allow them to get back in. Kris --mojUlQ0s9EVzWg2t Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE7m+fSWry0BWjoQKURAr7RAJ49Pz89+Mafs2bgKUFMInJmofuDIwCgjsVW KVNNaocwp215Ffv5m6QET2w= =vFFK -----END PGP SIGNATURE----- --mojUlQ0s9EVzWg2t-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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