nanog mailing list archives
Re: New IPv4 Allocation to ARIN
From: Pete Templin <petelists () templin org>
Date: Sun, 18 Jan 2004 07:29:33 -0600
Petri Helenius wrote:
jlewis () lewis org wrote:It's those dang Nachi-sized ICMP echo/echo-replies. We block those at all our transit points and dial-up ports. Nachi was killing our cisco access-servers until we did this to stop the spread.I know what they are and how to get around them. I just look down on people dropping my packets in their backbones without reason.
He has a reason: that virus was melting down his network (and was melting down lots of networks).
If viruses came with instructions, documentation, and source code, we could all rest assured that it did completely self-destruct this month. Instead, we're all watching in wait, and leaving filters handy or in place.
(I'd mention the Nachi filtering I had to do and the implications of how I had to do it based on the platform I'm using, but my flamesuit is all tattered just trying to find a safe tool to read my mail.)
pt
Current thread:
- Re: New IPv4 Allocation to ARIN, (continued)
- Re: New IPv4 Allocation to ARIN Owen DeLong (Jan 19)
- Re: New IPv4 Allocation to ARIN william (Jan 19)
- 1/8 and 2/8 (was Re: New IPv4 Allocation to ARIN) John Palmer (Jan 19)
- Re: 1/8 and 2/8 (was Re: New IPv4 Allocation to ARIN) Petri Helenius (Jan 19)
- Re: New IPv4 Allocation to ARIN Petri Helenius (Jan 16)
- Re: New IPv4 Allocation to ARIN jlewis (Jan 16)
- Re: New IPv4 Allocation to ARIN william (Jan 16)
- Nachi (was Re: New IPv4 Allocation to ARIN) Michael Lewinski (Jan 16)
- Re: New IPv4 Allocation to ARIN Petri Helenius (Jan 18)
- Re: New IPv4 Allocation to ARIN Pete Templin (Jan 18)
- Re: New IPv4 Allocation to ARIN Petri Helenius (Jan 18)
- Re: New IPv4 Allocation to ARIN william (Jan 19)
- Re: New IPv4 Allocation to ARIN Pete Templin (Jan 19)