Date: Tue, 29 Dec 2009 14:32:35 -0500 From: Steve Bertrand <steve@ibctech.ca> To: Jonathan Chen <jonc@chen.org.nz> Cc: freebsd-questions@freebsd.org, n dhert <ndhert@gmail.com> Subject: Re: Starting sshd, ssh connections Message-ID: <4B3A5953.1090707@ibctech.ca> In-Reply-To: <20091229185343.GC35428@osiris.chen.org.nz> References: <8021a2660912291004h2590b06atdb54ba14d5e31d5@mail.gmail.com> <20091229185343.GC35428@osiris.chen.org.nz>
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Jonathan Chen wrote: > On Tue, Dec 29, 2009 at 07:04:24PM +0100, n dhert wrote: >> On a newly installed FreeBSD7.2, when booting it takes a long time to get >> past "Starting sshd.". >> I'm using the PC only in a private network. The IP of the PC is 192.168.75.8 >> # ssh root@192.168.75.8 >> or # ssh root@127.0.0.1 >> take both 15 seconds to display >> Password: ... >> At setup, I did specify a hostname, a domainname, a default_router >> (192.168.75.14) and >> DNS server 192.168.254.100 (in the future to be replace by non-private IPs), >> >> but since I am testing only in a private network and only with IP adresses >> (no hostnames) >> these are not used. >> So what is causing that delay at Start of sshd and use of ssh? > > Reverse DNS lookup. Make sure you have PTR entries for all IPs in use. Or, in the case of an internal-only IP scheme, where configuring rDNS entries is not possible/not feasible, you can disable DNS lookups in the /etc/ssh/sshd_config file by uncommenting and setting: UseDNS no Restart the sshd daemon for the change to take effect. Steve
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