On 09/04/2015 9:38 AM, "Igor Cicimov" <icici...@gmail.com> wrote: > > > On 09/04/2015 3:11 AM, "Vincent Lefevre" <vinc...@vinc17.net> wrote: > > > > When connecting by SSH to a particular machine, ssh hangs for > > 5 seconds. The client machine doesn't matter (except for the > > machine itself). For instance: > > > > xvii:~> ssh -vvv 2>>(ts -s "%.s") ypig > > [...] > > 0.278462 debug2: key: /home/vinc17/.ssh/id_rsa (0x7f943e415e90), explicit > > 0.278513 debug2: key: rsa w/o comment (0x7f943e418a60), > > 0.278553 debug2: key: rsa w/o comment (0x7f943e418620), > > 0.278591 debug2: key: /home/vinc17/.ssh/id_rsa-internal ((nil)), explicit > > 5.291295 debug1: Authentications that can continue: publickey,password > > [...] > > > > This is always reproducible and this problem had never occurred > > before today. > > > > Any idea? > > > Disable the dns resolution in the ssh server config for that machine > More specific the reverse dns lookups:
UseDNS no > > -- > > Vincent Lefèvre <vinc...@vinc17.net> - Web: <https://www.vinc17.net/> > > 100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/> > > Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon) > > > > > > -- > > To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org > > with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org > > Archive: https://lists.debian.org/20150408171107.ga22...@xvii.vinc17.org > >