I get these from journalctl not sure if they are also logged somewhere else.
Code: Select all
Jun 01 23:13:07 myhost.goo.edu sshd[1205059]: Unable to negotiate with 139.59.240.248 port 55732: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:07 myhost.goo.edu sshd[1205058]: Unable to negotiate with 139.59.240.248 port 55680: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:07 myhost.goo.edu sshd[1205066]: Unable to negotiate with 139.59.240.248 port 55788: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:07 myhost.goo.edu sshd[1205068]: Unable to negotiate with 139.59.240.248 port 55842: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:07 myhost.goo.edu sshd[1205070]: Unable to negotiate with 139.59.240.248 port 55898: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:07 myhost.goo.edu sshd[1205072]: Unable to negotiate with 139.59.240.248 port 55952: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:07 myhost.goo.edu sshd[1205074]: Unable to negotiate with 139.59.240.248 port 56014: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:07 myhost.goo.edu sshd[1205076]: Unable to negotiate with 139.59.240.248 port 56060: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:08 myhost.goo.edu sshd[1205078]: Unable to negotiate with 139.59.240.248 port 56124: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:08 myhost.goo.edu sshd[1205080]: Unable to negotiate with 139.59.240.248 port 56168: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:08 myhost.goo.edu sshd[1205082]: Unable to negotiate with 139.59.240.248 port 56222: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:08 myhost.goo.edu sshd[1205084]: Unable to negotiate with 139.59.240.248 port 56298: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:08 myhost.goo.edu sshd[1205086]: Unable to negotiate with 139.59.240.248 port 56332: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:08 myhost.goo.edu sshd[1205088]: Unable to negotiate with 139.59.240.248 port 56388: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:09 myhost.goo.edu sshd[1205090]: Unable to negotiate with 139.59.240.248 port 56440: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:09 myhost.goo.edu sshd[1205092]: Unable to negotiate with 139.59.240.248 port 56494: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:09 myhost.goo.edu sshd[1205094]: Unable to negotiate with 139.59.240.248 port 56532: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:09 myhost.goo.edu sshd[1205096]: Unable to negotiate with 139.59.240.248 port 56602: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:09 myhost.goo.edu sshd[1205098]: Unable to negotiate with 139.59.240.248 port 56656: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:09 myhost.goo.edu sshd[1205100]: Unable to negotiate with 139.59.240.248 port 56712: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:10 myhost.goo.edu sshd[1205102]: Unable to negotiate with 139.59.240.248 port 56780: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:10 myhost.goo.edu sshd[1205104]: Unable to negotiate with 139.59.240.248 port 56820: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:10 myhost.goo.edu sshd[1205110]: Unable to negotiate with 139.59.240.248 port 56874: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:10 myhost.goo.edu sshd[1205112]: Unable to negotiate with 139.59.240.248 port 56950: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:10 myhost.goo.edu sshd[1205114]: Unable to negotiate with 139.59.240.248 port 56982: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:10 myhost.goo.edu sshd[1205116]: Unable to negotiate with 139.59.240.248 port 57036: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:11 myhost.goo.edu sshd[1205118]: Unable to negotiate with 139.59.240.248 port 57090: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:11 myhost.goo.edu sshd[1205120]: Unable to negotiate with 139.59.240.248 port 57142: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:11 myhost.goo.edu sshd[1205123]: Unable to negotiate with 139.59.240.248 port 57200: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:11 myhost.goo.edu sshd[1205125]: Unable to negotiate with 139.59.240.248 port 57274: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:11 myhost.goo.edu sshd[1205127]: Unable to negotiate with 139.59.240.248 port 57308: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:12 myhost.goo.edu sshd[1205129]: Unable to negotiate with 139.59.240.248 port 57362: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:12 myhost.goo.edu sshd[1205131]: Unable to negotiate with 139.59.240.248 port 57416: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:12 myhost.goo.edu sshd[1205133]: Unable to negotiate with 139.59.240.248 port 57488: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:12 myhost.goo.edu sshd[1205135]: Unable to negotiate with 139.59.240.248 port 57526: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:12 myhost.goo.edu sshd[1205139]: Unable to negotiate with 139.59.240.248 port 57594: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:12 myhost.goo.edu sshd[1205141]: Unable to negotiate with 139.59.240.248 port 57634: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 01 23:13:12 myhost.goo.edu sshd[1205143]: Unable to negotiate with 139.59.240.248 port 57688: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1 [preauth]