Maximum Sessions Per Host (1000) Exceeded

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RGMConsulting
RGMConsulting Posts: 4 image  Freshman Member
Fifth Anniversary
in Nebula

I am getting multiple "Maximum Sessions Per Host (1000) Exceeded" errors on my NSG50.

Tappan FW Issues.png

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  • jonatan
    jonatan Posts: 200 image  Master Member
    5 Answers First Comment Friend Collector Eighth Anniversary

    @RGMConsulting

    Hi, disable Session Limit or change the threshold.

    1707.PNG
  • Zyxel_Melen
    Zyxel_Melen Posts: 4,532 image  Zyxel Employee
    Zyxel Certified Network Engineer Level 1 - Switch Zyxel Certified Network Administrator - Switch Zyxel Certified Network Administrator - Nebula Zyxel Certified Sales Associate

    Hi @RGMConsulting,

    From your screenshot, client 10.9.1.59 created many UDP sessions with different IP addresses. Is it a server? If yes, you can go to Site-wide > Configure > Security gateway > Traffic shaping > Session Control to change the number of Session per Host.

    image.png

    If it is just a PC, you will need to check whether it is infected.

    Zyxel Melen


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