Bugtraq mailing list archives
Re: [PATCH] denial of service (fwd)
From: mjr () RANNEY COM (Matt Ranney)
Date: Thu, 12 Jun 1997 12:55:04 -0700
Here is a solution to the qmail denial of service attacks posted recently. This is a recent message to the qmail list. -- Matt Ranney - mjr () ranney com From now on, everything we do shall be funky. ---------- Forwarded message ---------- Date: 12 Jun 1997 15:15:59 +0200 From: "Frank D. Cringle" <fdc () cliwe ping de> To: djb-qmail () koobera math uic edu Subject: Re: [PATCH] denial of service [...] If you are using tcpserver it should be sufficient to set the ulimit once in the startup script. All instances of qmail-smtpd inherit the limit without further overhead. Seems to be working fine here. echo "Starting tcpserver for qmail-smtpd..." ulimit -d 2048 /usr/local/bin/tcpserver -v -u 61 -g 61 0 smtp /usr/local/bin/tcpcontrol \ /etc/tcp.smtp.cdb /var/qmail/bin/qmail-smtpd 2>&1 | \ /var/qmail/bin/splogger smtpd 3 & -- Frank Cringle, fdc () cliwe ping de voice: (+49 2304) 467101; fax: 943357
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- Re: [PATCH] denial of service (fwd) Matt Ranney (Jun 12)