Hi, While running below cmd for backup purposes from one OpenBSD to another:
# rsync -av --progress -e 'ssh -i /my/key -l root -p 2222' ./bigfile.tar.gz enxio:/backup/ sending incremental file list bigfile.tar.gz 14,843,904 0% 7.06MB/s 1:04:08 client_loop: ssh_packet_write_poll: Connection to W.X.Y.Z port 2222: Permission denied The sender is OpenBSD 6.8 with all patches applied. The receiver (same OS version) is in different location / different ISP. I have also another OpenBSD box in the same location as the sender (same OS version too), but different DC and different network. Transfer to this another local server works fine - - it has slower link and weaker CPU than remote one - not sure if it is related. The transfer get always interrupted, but each time after different amount of data sent. Tried 'ssh -vvv' but found no more details. # rsync -av --progress -e 'ssh -vvv -i /my/key -l root -p 2222' ./bigfile.tar.gz enxio:/backup/ [cut] debug2: channel 0: rcvd adjust 131072 60,194,816 0% 11.72MB/s 0:38:33 debug2: channel 0: rcvd adjust 131072 debug2: channel 0: rcvd adjust 131072 [cut] debug2: channel 0: rcvd adjust 131072 client_loop: ssh_packet_write_poll: Connection to W.X.Y.Z port 2222: Permission denied rsync: [sender] write error: Broken pipe (32) rsync error: error in socket IO (code 10) at io.c(823) [sender=3.2.3] I don't think it is pf-related issue - I found similar mail thread here from February this year, no resolution. Changing pf rules to pass in/out all does not help. # pfctl -s rules pass in all flags S/SA pass out all flags S/SA I found on the Internet that some IPS may cause such connectivity issues (google for SSH_EVENT_RESPOVERFLOW). But I don't think if in such case error would be permission denied, I would expect just closed connection? Please advise how can I find the root cause or workaround. -- Aleksander