[Dshield] UDP blocking
neilr at ieee.org
Thu Mar 14 22:17:14 GMT 2002
At 01:10 PM 3/14/2002, you wrote:
>now when i'm on the server, i can't surf outbound unless i use IP addresses.
My first thought would be: is your firewall set to block DNS queries
from outside your network?
>do DNS responses come over UDP?
I didn't think so, but if I'm reading my \windows\serivces. file
correctly, then nameserver queries are done on port 42, both TCP and
UDP--so I guess the answer is "Yes."
>on the same note... is that overkill? (is there such a thing in net
At the point your users can't log in, yes, it's overkill. :-]
>do i/should i really be blocking all UDP ports?
I'm not a professional SysAdmin, so I'll leave that question to those
Supreme Lord High Commander and Keeper of the Holy Potato
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VWL compression scheme: wht d y thnk?
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