Hi all The task asks to allow ssh only from 4.8.6.0/24 and the restriction is that we should not use access-lists. So FPM is the only answer.
In the following config, class-map get's matched and 4.8.6.0/24 is allowed in. The issue is that I need a wildcard class-map to block other ssh connections. But that doesn't work in the following solution. class-map type access-control match-all telblk match field TCP dest-port eq 22 class-map type access-control match-all vlan6 match field TCP dest-port eq 22 match field IP source-addr eq 4.8.6.0 mask 0.0.0.255 class-map type stack match-all tcp stack-start l2-start match field ETHER type eq 0x800 next IP match field IP protocol eq 6 next TCP policy-map type access-control ssh class vlan6 class telblk drop policy-map type access-control tcp class tcp service-policy ssh control-plane service-policy type access-control input tcp The following two alternative class-maps also doesn't work class-map type access-control match-all telblk match field ip source-addr range 0.0.0.0 255.255.255.255 class-map type access-control match-all telblk match field ip source-addr 0.0.0.0 mask 255.255.255.255 With regards Kings
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