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I'm getting syslog logs from CISCO ASA where the ip addresses are coming in what I would call a non-standard format: The IP with port is being logged as 'd.d.d.d/port' (e.g. 10.0.1.2/63313') so it looks more like a url/CIDR address instead of the more usual d.d.d.d:port.

Two questions really,

  1. Is there a formal standard for this naming, as I couldn't find much (e.g. https://en.wikipedia.org/wiki/Network_socket) as I'm just intersted to know this.
  2. Is there a way to change the output format of ASA syslogs to use a more normal format because our log parsers are picking these up as URLs not IP:port.
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  • 1. No, there is not.
    – Zac67
    May 13 at 10:06
  • Because there is no standard, there is no "normal" format. You're probably better off changing your log parser.
    – Ron Trunk
    May 13 at 10:32
  • Cheers. I was hoping there was a way to change ASA as in this format there is a risk of mixing up ip address with url depending on the regex I use I course. May 13 at 10:40

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