nanog mailing list archives
Re: Thank you, Comcast.
From: "Roland Dobbins" <rdobbins () arbor net>
Date: Fri, 26 Feb 2016 20:53:41 +0700
On 26 Feb 2016, at 20:17, Nick Hilliard wrote:
If you block packets with udp src port=53 towards customers, you will also block legitimate return traffic if the customers run their own DNS servers or use opendns / google dns / etc.
Actually, what they're talking about is blocking packets *destined* for UDP/53 on broadband access networks, not *sourced from*.
----------------------------------- Roland Dobbins <rdobbins () arbor net>
Current thread:
- Re: Thank you, Comcast., (continued)
- Re: Thank you, Comcast. Roland Dobbins (Feb 26)
- Re: Thank you, Comcast. Octavio Alvarez (Feb 26)
- Re: Thank you, Comcast. Livingood, Jason (Feb 26)
- Consumer Equipment Sucks (Re: Thank you, Comcast.) Jared Mauch (Feb 26)
- Re: Thank you, Comcast. Chris Adams (Feb 26)
- Re: Thank you, Comcast. Dovid Bender (Feb 26)
- Re: Thank you, Comcast. Rich Kulawiec (Feb 26)
- Re: Thank you, Comcast. Brielle Bruns (Feb 26)
- Re: Thank you, Comcast. Anthony Junk (Feb 26)
- Re: Thank you, Comcast. Roland Dobbins (Feb 26)
- Re: Thank you, Comcast. Roland Dobbins (Feb 26)
- Re: Thank you, Comcast. Mikael Abrahamsson (Feb 26)
- Re: Thank you, Comcast. Maxwell Cole (Feb 26)
- Re: Thank you, Comcast. Jared Mauch (Feb 26)
- Re: Thank you, Comcast. Damian Menscher via NANOG (Feb 26)
- Re: Thank you, Comcast. Roland Dobbins (Feb 26)
- Re: Thank you, Comcast. Dovid Bender (Feb 26)
- Re: Thank you, Comcast. Jared Mauch (Feb 26)
- Re: Thank you, Comcast. Damian Menscher via NANOG (Feb 26)
- Re: Thank you, Comcast. Dovid Bender (Feb 26)
- Re[2]: Thank you, Comcast. Adam (Feb 26)