Date: Sat, 8 Feb 1997 09:33:45 -0600 (CST) From: Chris Walth <walth@scanners.tec.mn.us> To: Michael Slater <slaterm@excel.tnet.com.au> Cc: questions@freebsd.org, isp@freebsd.org, security@freebsd.org Subject: Re: Problems? or denial of service attack? Message-ID: <Pine.BSF.3.91.970208092657.5067A-100000@scanners.tec.mn.us> In-Reply-To: <Pine.LNX.3.91.970208131704.425A-100000@excel.tnet.com.au>
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On Sat, 8 Feb 1997, Michael Slater wrote: > > It looks like you are out of Swap space... > > Michael Slater > slaterm@tnet.com.au > This machine is a web server and email server. There was nobody logged in at these times. I have 32 megs of ram and 43 megs of swap. There was also about 20 pages of messages having to do with sendmail. Here are a few of those attached below. I have never had any problems before, and now when I was getting these sendmail problems I was getting all these messages. I do not think that it is just a swap problem.. Feb 7 00:06:32 scanners sendmail[26007]: NOQUEUE: SYSERR: putoutmsg (dialup-1a. co.net): error on output channel sending "451 entering initmaps: fd 1 not open: Invalid argument": Broken pipe Feb 7 00:06:32 scanners sendmail[26007]: NOQUEUE: SYSERR(root): entering initma ps: fd 1 not open: Invalid argument Feb 7 00:06:32 scanners sendmail[25996]: NOQUEUE: SYSERR: putoutmsg (dialup-1a. co.net): error on output channel sending "451 entering initmaps: fd 1 not open: Invalid argument": Broken pipe Feb 7 00:06:32 scanners sendmail[25996]: NOQUEUE: SYSERR(root): entering initma ps: fd 1 not open: Invalid argument Feb 7 00:06:34 scanners sendmail[25867]: AAA25867: SYSERR: putoutmsg (dialup-1a .co.net): error on output channel sending "354 Enter mail, end with "." on a lin e by itself": Broken pipe Feb 7 00:06:34 scanners sendmail[25867]: AAA25867: SYSERR(root): Out of memory! !: Cannot allocate memory Feb 7 00:06:30 scanners sendmail[25999]: NOQUEUE: SYSERR: putoutmsg (dialup-1a. co.net): error on output channel sending "451 entering initmaps: fd 1 not open: Invalid argument": Broken pipe Feb 7 00:06:34 scanners sendmail[26012]: NOQUEUE: SYSERR: putoutmsg (dialup-1a. co.net): error on output channel sending "451 entering initmaps: fd 1 not open: Invalid argument": Broken pipe What are these initmaps? Did someone possiably gain access to the system? I don't see any evidence. Mail was generated and sent to one person. He got about 200 messages from this person. Thanks. Chris ............................................................................ Chris Walth Scanners/netco UNIX System Administrator email: walth@scanners.tec.mn.us phone: 701-280-0922 finger walth@scanners.tec.mn.us to get PGP public Key. ............................................................................
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