Error sshd banner line
Hi,
Using Centos 8.1 , i have errors on log /var/log/secure like May 14 19:25:41 XXXXXX sshd[9690]: error: kex_exchange_identification: banner line contains invalid characters message appear each minutes .... on /etc/ssh/sshd_config , i have Banner none with #. an idea how i can find causes of these message ???? Thanks |
Could also be some config thing on the client side.
Try to work around it by defining a banner file without invalid characters? |
after tried to add banner , i have always same error message.
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good idea , i reused an existing IP , how i could know which client ( found IP ) is trying to communicate with system ?
I have no cron configured , it is a fresh install . |
with tcpdump i found the ip.
thanks , |
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