Hallo Giacomo Mulas, 08.09.18 10:16 Giacomo Mulas: > On Fri, 7 Sep 2018, Timo Weingärtner wrote: > > So the connection to some ssh-agent is working. Please check which process > > owns the socket pointed to by $SSH_AUTH_SOCK. If it is not sshd you have > > another problem; perhaps something like libpam-ssh is starting a new > > ssh-agent for your ssh session? > > ls -l $SSH_AUTH_SOCK yields > > srw------- 1 gmulas ssh 0 set 8 10:05 /tmp/ssh-TteIoyXhPTF2/agent.14983= > > whereas lsof $SSH_AUTH_SOCK yields nothing run as regular user and > lsof /tmp/ssh-TteIoyXhPTF2/agent.14983= run as root yields > > COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME > ssh-agent 14984 gmulas 3u unix 0x000000004846ae07 0t0 6314996 > /tmp/ssh-TteIoyXhPTF2/agent.14983 type=STREAM > > the parent ID of this ssh-agent is 1 (?)
That's normal when it was started without a command to run. > I hope this can help. Please let me know if there is something else I can do > to track the problem. For me the problem can be reproduced by installing libpam-ssh. openssh 7.8 + libpam-ssh: broken openssh 7.4 + libpam-ssh: works any openssh + no libpam-ssh: works The problem might be that libpam-ssh starts an ssh-agent and sets SSH_AUTH_SOCK regardless of whether an agent is forwarded and newer openssh- server doesn't change SSH_AUTH_SOCK pointing to its own socket? Grüße Timo
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