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OpenBSD General Other questions regarding OpenBSD which do not fit in any of the categories below. |
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DNS
Running OpenBSD 4.3 and noticed after the install everything has a slight delay in connecting to where I want to go. Realised that using the "-4" switch with everything that it was because everything was trying IPv6 first. Turns out that it's just the resolver looking for IPv6 records when trying to resolve something.
Code:
16:35:01.857501 192.168.1.200.37444 > 192.168.1.254.53: [udp sum ok] 2489+ AAAA? www.google.com. (32) (ttl 64, id 60159, len 60) 16:35:06.862732 192.168.1.200.37444 > 192.168.1.254.53: [udp sum ok] 2489+ AAAA? www.google.com. (32) (ttl 64, id 11068, len 60) 16:35:11.872879 192.168.1.200.34052 > 192.168.1.254.53: [udp sum ok] 15209+ AAAA? www.google.com.konundrum.org. (46) (ttl 64, id 13656, len 74) 16:35:15.978486 192.168.1.254.53 > 192.168.1.200.34052: [udp sum ok] 15209 NXDomain- 0/0/0 (46) (ttl 255, id 35698, len 74) 16:35:15.978983 192.168.1.200.3278 > 192.168.1.254.53: [udp sum ok] 47919+ A? www.google.com. (32) (ttl 64, id 26604, len 60) 16:35:16.529135 192.168.1.254.53 > 192.168.1.200.3278: 47919 4/0/0 www.google.com. CNAME www.l.google.com., www.l.google.com.[|domain] (ttl 255, id 35700, len 128) Code:
$ host www.google.ie www.google.ie is an alias for www.google.com. www.google.com is an alias for www.l.google.com. www.l.google.com has address 216.239.59.104 www.l.google.com has address 216.239.59.147 www.l.google.com has address 216.239.59.103 www.l.google.com has address 216.239.59.99 ;; connection timed out; no servers could be reached ;; connection timed out; no servers could be reached
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It was a new day yesterday, but it's an old day now. Last edited by schrodinger; 17th August 2008 at 03:52 PM. |
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this seems to happen everywhere though, it's not a specific set of DNS servers....friends DSL, work and a net cafe. Had to change the ftp command for the ports to include "-4". Same with SSH. With opera pages takes alot longer than usual to load because of all the embedded links that comes with most web pages. By the time it's resolved most URLs some stuff has timed out and I'm forced to refresh which just tries AAAA records again and then eventually resolves for the A or CNAME.
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It was a new day yesterday, but it's an old day now. |
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