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Yuri Slobodyanyuk
2022-03-08 18:22:14 +02:00
parent b7bd896edd
commit ab1c0a102f
1 changed files with 2 additions and 2 deletions
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cheat-sheets/Fortigate-debug-diagnose-complete-cheat-sheet.adoc
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@@ -605,10 +605,10 @@ just clear Fortigate DHCP database and will start over allocating again. You can
*get \| grep alg*
|Show what is the current SIP inspection mode. If the output is `default-voip-alg-mode: proxy-based` then the full Layer 7
|Show the current SIP inspection mode. If the output is `default-voip-alg-mode: proxy-based` then the full Layer 7
proxy SIP inspection is on (_ALG_ inspection). If the output is `default-voip-alg-mode: kernel-helper-based` then the Layer 4 _helper_ inspection is on. In both modes Fortigate does IP address translation inside SIP packets (if needed), and opens dynamically high ports for incoming media/voice streams ports. In _ALG_ mode, the Fortigate additionally does RFC compliance verification and more. So, the _ALG_ mode is more prone to cause issues but also provides more security.
|*show system session-helper | grep sip -f*
|*show system session-helper \| grep sip -f*
|If using SIP _helper_ and not _ALG_, make sure there is an entry for SIP in the helpers list, usually on port 5060, but may be custom as well.