nanog mailing list archives
Re: Scam telemarketers spoofing our NOC phone number for callerid
From: William Herrin <bill () herrin us>
Date: Wed, 6 Oct 2010 11:15:25 -0400
On Wed, Oct 6, 2010 at 10:37 AM, Dan White <dwhite () olp net> wrote:
If your PBX is SIP based, you might be victim of a SIP registration hijack, which are on the rise, based on traffic we've been seeing in our network.
I had my unpublished asterisk box up for all of two days before getting half a megabit per second worth of false SIP registration attempts. Filled /var/log. I had to write a script to dynamically filter source IPs with too many failures. Regards, Bill Herrin -- William D. Herrin ................ herrin () dirtside comĀ bill () herrin us 3005 Crane Dr. ...................... Web: <http://bill.herrin.us/> Falls Church, VA 22042-3004
Current thread:
- Scam telemarketers spoofing our NOC phone number for callerid Matthew Huff (Oct 06)
- Re: Scam telemarketers spoofing our NOC phone number for callerid Dan White (Oct 06)
- Re: Scam telemarketers spoofing our NOC phone number for callerid William Herrin (Oct 06)
- RE: Scam telemarketers spoofing our NOC phone number for callerid Matthew Huff (Oct 06)
- RE: Scam telemarketers spoofing our NOC phone number for callerid Jon Lewis (Oct 06)
- RE: Scam telemarketers spoofing our NOC phone number for callerid Matthew Huff (Oct 06)
- Re: Scam telemarketers spoofing our NOC phone number for callerid Brielle Bruns (Oct 06)
- RE: Scam telemarketers spoofing our NOC phone number for callerid Jon Lewis (Oct 06)
- Re: Scam telemarketers spoofing our NOC phone number for callerid Joe Greco (Oct 06)
- Re: Scam telemarketers spoofing our NOC phone number for callerid Scott Howard (Oct 06)
- Re: Scam telemarketers spoofing our NOC phone number for callerid J. Oquendo (Oct 06)
- RE: Scam telemarketers spoofing our NOC phone number for callerid FEARGAL_LEDWIDGE (Oct 06)
- Re: Scam telemarketers spoofing our NOC phone number for callerid William Herrin (Oct 06)
- Re: Scam telemarketers spoofing our NOC phone number for callerid Dan White (Oct 06)
- Re: Scam telemarketers spoofing our NOC phone number for callerid J. Oquendo (Oct 06)