Re: ssh connection takes long time

2009-03-13 Thread Richard A Nelson
On Fri, 13 Mar 2009, randall wrote: And there are indeed other servers that are unhappy with poor DNS ftp comes to mind, its always the first thing i turn off when i install it for anything other then personal usage. :) I don't have that luxury (at work, but do use ftpd-ssl) The only use to

Re: ssh connection takes long time

2009-03-13 Thread Chris Davies
randall wrote: > The only use to correct "reverse" DNS i can see is in case of a mail > server, if you want to filter dynamic and static IP's (but even this is > theoretical since it is hardly used in practice) I don't use rDNS for differentiating static and dynamic IPs (well, not directly); I

Re: ssh connection takes long time

2009-03-13 Thread randall
Richard A Nelson wrote: On Fri, 13 Mar 2009, randall wrote: IMO the solution is not to tweak those subsystems and applications, but to get a valid rDNS record added to the DNS. Indeed, always best to have fully functional DNS, and no - for Linux at least, /etc/hosts is not functional DNS. dep

Re: ssh connection takes long time

2009-03-13 Thread Richard A Nelson
On Fri, 13 Mar 2009, randall wrote: IMO the solution is not to tweak those subsystems and applications, but to get a valid rDNS record added to the DNS. Indeed, always best to have fully functional DNS, and no - for Linux at least, /etc/hosts is not functional DNS. agreed in principle, but si

Re: ssh connection takes long time

2009-03-13 Thread randall
Chris Davies wrote: Boyd Stephen Smith Jr. wrote: All systems should have an rDNS record to map the number back to a name. Ideally, that canonical name should also have a mapping back to the number. In the case of dynamic IP ranges, the rDNS record might map back to an entry that mimicks th

Re: ssh connection takes long time

2009-03-13 Thread Chris Davies
Boyd Stephen Smith Jr. wrote: > In general, you should make sure reverse DNS works for all your IPs. randall wrote: > i doubt that this is a sensible default, if i'm wrong please let me > know ;) All systems should have an rDNS record to map the number back to a name. Ideally, that canonical nam

Re: ssh connection takes long time

2009-03-13 Thread Boyd Stephen Smith Jr.
On Friday 13 March 2009 10:42:16 randall wrote: > Boyd Stephen Smith Jr. wrote: > > On Friday 13 March 2009 08:41:52 Abdelkader Belahcene wrote: > > > > > > If you are using the OpenSSH daemon on the remote server and that > > daemon is using the default configuration, it does a reverse DNS > > loo

Re: ssh connection takes long time

2009-03-13 Thread randall
Boyd Stephen Smith Jr. wrote: On Friday 13 March 2009 08:41:52 Abdelkader Belahcene wrote: If you are using the OpenSSH daemon on the remote server and that daemon is using the default configuration, it does a reverse DNS lookup on the connecting IP before accepting the login. IIRC, It is

Re: ssh connection takes long time

2009-03-13 Thread Boyd Stephen Smith Jr.
On Friday 13 March 2009 08:41:52 Abdelkader Belahcene wrote: > Thanks for answer, > but firstly , I am use on my machine a client ssh, the sshd is running > on remote server, > secondly, i connect to server with IP address and not with a name, > so no dns needed. If you are using the OpenS

Re: ssh connection takes long time

2009-03-13 Thread randall
Abdelkader Belahcene wrote: Thanks for answer, but firstly , I am use on my machine a client ssh, the sshd is running on remote server, secondly, i connect to server with IP address and not with a name, so no dns needed. thanks not sure what the answer was, but do keep in mind that the

Re: Re: ssh connection takes long time

2009-03-13 Thread Abdelkader Belahcene
Thanks for answer, but firstly , I am use on my machine a client ssh, the sshd is running on remote server, secondly, i connect to server with IP address and not with a name, so no dns needed. thanks -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsub

Re: ssh connection takes long time

2009-03-02 Thread Sam Leon
abdelkader belahcene wrote: Hi, When I connect to ssh server ( server running Redhat ) from debian it takes a long time to give me the prompt, while I receive the prompt rapidly when I connect from slackware or solaris? thanks for help See option "usedns" http://www.manpagez.com/man/5/s

Re: ssh connection takes long time

2009-03-02 Thread Michael Iatrou
When the date was Monday 02 March 2009, abdelkader belahcene wrote: > Hi, > When I connect to ssh server ( server running Redhat ) from debian it > takes a long time to give me the prompt, while I receive the prompt > rapidly when I connect from slackware or solaris? > thanks for help Running s

Re: ssh connection takes long time

2009-03-02 Thread Douglas A. Tutty
On Mon, Mar 02, 2009 at 05:25:08PM +0100, abdelkader belahcene wrote: > When I connect to ssh server ( server running Redhat ) from debian it > takes a long time to give me the prompt, while I receive the prompt rapidly > when I connect from slackware or solaris? Is your debian box doing a DNS s

ssh connection takes long time

2009-03-02 Thread abdelkader belahcene
Hi, When I connect to ssh server ( server running Redhat ) from debian it takes a long time to give me the prompt, while I receive the prompt rapidly when I connect from slackware or solaris? thanks for help