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Damo14 · 10-31-2023

Hi and aplogies if I have posted this in the wrong forum. I have an ACL denying inbound tcp22 for VTY mgmt access, we have changed the SSH port from default. I am seeing denies logged by the ACL ass expected, but the destination address is not this b...

Damo14 · 11-06-2023

Rick, thanks. I hadn't noticed the action of the sl_def_acl in that block I posted.... all me btw. Also, had seen that hidden acl many times before but never investigated its purpose, so thatnks for pushing me to that bit of research. Noted your pres...

Damo14 · 11-05-2023

I did just notice something as I posed that.... the destination address changes as the source port changes. Still no idea though!!Cheers

Damo14 · 11-05-2023

Thanks again Rick and MHM.... thinking will close this out and open TAC case to satisfy my curiosity. After seeing my own failures on tcp22.... I noted these after a connect attempt - erroneusly leaving out my custom ssh port. So I know it's IOS gene...

Damo14 · 11-05-2023

Thanks to you both for the responses.... MHM, yes understand that these are attempts to connect to SSH. The curiosity is the format of the destination eg 0.0.212.62 (that one was me). It makes no sense from either the source or destination ip address...

Damo14 · 11-02-2023

Thanks for the reply Richard..... yes ACL applied to lines VTY 0 4 with access-class. No masks as suggested. 2 interfaces - both with /30 public IPs. Just noticed though, when I connected just now, I forgot the custom ssh port and at first attempt wa...

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ACL deny log - interpretation

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