[CentOS] POOR: results using 'dig +short porttest.dns-oarc.net TXT'
Barry Brimer
lists at brimer.orgThu Jul 24 22:19:21 UTC 2008
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Quoting Johnny Hughes <johnny at centos.org>: > Larry Vaden wrote: > > What are the likely cockpit errors involved when getting POOR results > > when running this test on an updated CentOS 5.2? > > > > Kind regards/ldv > > > > [root at shell ~]# dig +short porttest.dns-oarc.net TXT > > z.y.x.w.v.u.t.s.r.q.p.o.n.m.l.k.j.i.h.g.f.e.d.c.b.a.pt.dns-oarc.net. > > "a.b.c.d is POOR: 26 queries in 1.3 seconds from 1 ports with std dev 0.00" > > if this is a centos machine (your dns server) ... you may have a line > like this in the config named.conf file: > > query-source address * port 53; Or you may be forwarding to an unpatched DNS server, or you may be behind a NAT devices that remaps the source ports on outgoing requests.
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