Security Incidents mailing list archives
Re: DNS update queries: another sort of suspicious activity.
From: rquinn () SEC SPRINT NET (Rob Quinn)
Date: Mon, 31 Jan 2000 12:06:11 -0500
Jan 28 05:56:54 ns named[14783]: unapproved update from [192.168.0.4].126 for myzone.com Jan 28 05:57:09 ns last message repeated 2 times
Windows2000 does this.
Looks like someone tried to spoof DNS update queries to `update' zonefiles of my nameserver.
If one of your internal users goes home and dials up, he'll start sending these to your external DNS server. -- | Opinions are _mine_, facts Rob Quinn | | are facts. (703)689-6582 | | rquinn () sec sprint net | | Sprint Corporate Security |
Current thread:
- Re: Korea (was RE: ?), (continued)
- Re: Korea (was RE: ?) David Brumley (Jan 27)
- Re: Korea (was RE: ?) Patrick Oonk (Jan 28)
- Re: Korea (was RE: ?) Arrigo Triulzi (Jan 28)
- Re: Korea (was RE: ?) Dug Song (Jan 28)
- Re: Korea (was RE: ?) Patrick Oonk (Jan 28)
- DNS update queries: another sort of suspicious activity. Fyodor (Jan 28)
- Re: DNS update queries: another sort of suspicious activity. Patrick Oonk (Jan 28)
- Re: DNS update queries: another sort of suspicious activity. Fyodor (Jan 28)
- Re: DNS update queries: another sort of suspicious activity. Patrick Oonk (Jan 28)
- Recent Scans Edwin Covert (Jan 28)
- Re: DNS update queries: another sort of suspicious activity. Rob Quinn (Jan 31)
- Re: Socks port 1080 Randy Mclean (Jan 21)
- Re: Socks port 1080 Richard Bejtlich (Jan 21)
- Unusual Netstat Listing Rob (Jan 22)