On Sun, Oct 23, 2011 at 13:18, Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote: > > > Am 23.10.2011 13:09, schrieb suvayu ali: > > On Sun, Oct 23, 2011 at 13:04, Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote: > >> Am 23.10.2011 12:58, schrieb suvayu ali: >> >>> I am no expert, I just said what worked for me in the past. I ssh into >>> many systems everyday so changing to non-standard ports is >>> inconvenient >> where is there any single problem if you can read manuals? >> you have to specify the port only once per client and after >> that rsync, ssh, scp and sftp even in konqueror is using this >> port >> Please read carefully. I ssh to *multiple* machines. The list of >> clients is hundreds, also I don't have the complete list. > > well i maintain 40 machines, all with non-standard-port and connecting > multiple hundret times to omst of them each day > > /home/username/.ssh/id_rsa is needed on all clients or do you really > allow password-login on standard-port and type the password all day long? > so there is supported a file called "config" in the same folder > I know about ~/.ssh/config and I use it. Logging in to the remote nodes is not the issue in my case. I use kerberos to authenticate anyway. The issue is when I want to access my machine from those remote nodes, I have to copy the section relevant to my machine to the remote nodes. I use other ways to deal with securing my system like configuring ssh to reject hosts with more than one failed attempts, denyhosts and of course a firewall. >> I mostly have to login to a distributed computing resource where the >> physical node you is selected dynamically based on availability and >> load. So I don't have the complete list of IPs. > > ip-addresses are not interesting here > > failovers are working dns-based, so your hostname is the same > the ssh-client config is hostname-based > I know that and I use them when appropriate. -- Suvayu Open source is the future. It sets us free. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines