Re: What port shoud be opened for the dns server

From: those who know me have no need of my name (not-a-real-address@usa.net)
Date: 07/23/02


From: those who know me have no need of my name <not-a-real-address@usa.net>
Date: 23 Jul 2002 07:03:09 GMT

in comp.os.linux.security i read:
>"Kasper Dupont" <kasperd@daimi.au.dk> wrote in message
>news:3D303565.1859CD5D@daimi.au.dk...

>> What if the domainname you want to look up is longer than
>> 512 bytes?

>Then the initial request would not fit into 512 bytes and tcp would be
>used.

actually, edns0 supports up to 4096 octets.

-- 
bringing you boring signatures for 17 years



Relevant Pages

  • Re: AJAX request hangs for 5 minutes
    ... one TCP packet to send." ... Applications present data to the stack. ... data is assembled into TCP segments. ... implementations to usually send the request as two or more segments. ...
    (comp.lang.javascript)
  • Re: AJAX request hangs for 5 minutes
    ... It is relevant to the quotation I was referring to, for at least three TCP ... initial SYN and the ACK of the server's SYN. ... In theory, the client could send the request with that ACK, but this ...
    (comp.lang.javascript)
  • Re: PPP over UDP
    ... Suppose a packet gets lost on the lower level TCP. ... notice that a packet has been lost and send a retransmit request. ...
    (comp.os.linux.security)
  • Re: Code Red Doesnt care about TCP sessions?
    ... Code Red Doesn't care about TCP sessions? ... Below is an attempt to reach port 80 on a windows machine running ... so it never sent the GET request. ... TCP Options => MSS: 1460 NOP NOP SackOK ...
    (Incidents)
  • Re: MAXLINKS of SERVER and STATS server question?
    ... MAXLINKS is for SERVER $RECEIVE QUEUE(for different TCP). ... If SERVER is not exceed MAXLINKS, different request of TCP put into ...
    (comp.sys.tandem)