North American Network Operators Group
Date Prev | Date Next |
Date Index |
Thread Index |
Author Index |
Historical
Re: UDP packet/DNS server
- From: Aaron Goldblatt
- Date: Tue Sep 29 18:49:15 1998
>I think you mean port 53. This is both TCP and UDP. I thought DNS
>used both TCP and UDP. Thus firewall that is blocking UDP traffic will
>cause zone updates to fail.
>name 42/udp nameserver
>whois 43/tcp nicname # usually to sri-nic
>domain 53/tcp
>domain 53/udp
Queries are done via UDP; zone transfers are always fully TCP.
ag
| 
