RE: Web server crashed, now is trying to contact an IP by port 80 every morning.

["Dan Harpold" <danharp () SeaburyTech com>]

Thanks to everyone. It looks like it is Trend ServerProtect checking for
updates....


-----Original Message-----
From: Steven [mailto:magusbaal () digitalbastards net] 
Sent: Monday, February 24, 2003 5:41 PM
To: Dan Harpold; incidents () seacurityfocus com
Subject: RE: Web server crashed, now is trying to contact an IP by port
80 every morning.


Well, a "whois 64.0.96.14" shows:
OrgName:    XO Communications
OrgID:      XOXO
Address:    Corporate Headquarters
Address:    11111 Sunset Hills Road
City:       Reston
StateProv:  VA
PostalCode: 20190-5339
Country:    US

NetRange:   64.0.0.0 - 64.3.255.255
CIDR:       64.0.0.0/14
NetName:    XOXO-BLK-14
NetHandle:  NET-64-0-0-0-1
Parent:     NET-64-0-0-0-0
NetType:    Direct Allocation
NameServer: NAMESERVER1.CONCENTRIC.NET
NameServer: NAMESERVER2.CONCENTRIC.NET
NameServer: NAMESERVER3.CONCENTRIC.NET
NameServer: NAMESERVER.CONCENTRIC.NET

If I'm not mistaken, the Automagic Windows Update thing tries to check
for updates every day. Concentric hosts some of the Microsoft updates,
IIRC. Google shows that Concentric does host some Microsoft stuff, so I
think memory is serving me today :). Try disabling the automagic update
and see if that is the source of the traffic. 


Good luck!


Steven

"exitus acta probat"
"fide, sed cui vide"  

-----Original Message-----
From: Dan Harpold [mailto:danharp () SeaburyTech com] 
Sent: Sunday, February 23, 2003 8:20 PM
To: incidents () seacurityfocus com
Subject: Web server crashed, now is trying to contact an IP by port 80
every morning.


My web server crashed the other day. Got a blue screen and on reboot
NTLDR was missing. I reinstalled and reformatted the drive. Simple W2K
Server with IIS 5 and current service packs. It sits in a DMZ.

Now, each morning (only 2 days so far) at 12:00:45 AM, the machine is
trying to contact an outside server via HTTP. The external request,
which is being blocked by my firewall, is trying to go to 64.0.96.14. It
logs about fifteen attempts over the next ten seconds, then doesn't
appear until the next morning.

Any thoughts?

Dan 


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