Date: Sun, 19 Dec 2004 19:20:29 +0100 From: "Derkjan de Haan" <derkjan@haanjdj.demon.nl> To: =?ISO-8859-2?Q?Kov=E1cs_P=E9ter?= <kovacspeter2@freemail.hu> Cc: freebsd-stable@freebsd.org Subject: Re: sshd DNS Message-ID: <003601c4e5f7$6ba56220$0102a8c0@bogomip> References: <freemail.20041119190600.63226@fm16.freemail.hu>
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> > I sometimes get this error message: > sshd[543767]: WARNING: DNS lookup failed for " 171.31.1.21" > Why is this error message? > > For what sshd needs DNS? If the DNS is unavailable I can't > log into my computer. How can I resolve this problem, so I > can still login if the DNS is not available? IIRC sshd does a reverse dns lookup to see if that matches the hostname / ip-address combo. Try setting UseDNS to No in sshd_config and/or start sshd with the -u0 option. regards, Derkjan
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