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Sophos UTM with VMware View PCOIP

xp3000
Hi,

We're using sophos utm firewalls with our VMware View infrastructure using PCOIP UDP 4172.

However when we use PCOIP we're receiving network loss and delays, when we bypass the sophos utm it's completely fine! We've enabled QoS for PCoIP in the utm but this makes no difference.

What else would be causing the utm to add packet loss to PCOIP?


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Parents
  • 0
    You said that the IPS log showed no attacks, but did it show any anti-DoS-flooding activity?

    Cheers - Bob

    Sorry for any short responses.  Posted from my iPhone.
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Reply
  • 0
    You said that the IPS log showed no attacks, but did it show any anti-DoS-flooding activity?

    Cheers - Bob

    Sorry for any short responses.  Posted from my iPhone.
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Children
  • 0 in reply to BAlfson
    I know, this is an old thread.

    We recently had this same issue at a customer.  ASG120 rev4 with current up2date.

    When they hit about 8 PCOIP sessions, it just started to crawl.  As a diagnostic we disabled everything, IPS, Port scanning, Web filtering, Mail filtering, etc.  If it had an off switch we turned it off.  We even moved the firewall rule to the top spot (which seemed to help a little bit).  And made the rule into an "any" rule to make sure.

    We then noticed, that even while the 8 PCOIP sessions where crawling, we could connect to a 10th machine with RDP (which is tcp) and it was fast and latency free.  Speed test showed that bandwidth and latency to other sites was still good to.  Peak bandwidth was fairly low at around 2-3 Mb/s.

    As a workaround, we have PC's going directly to the cable modem (which has its own basic NAT) and it works beautifully.

    It almost seems like the ASG has a hard time processing the UDP packet stream.  As this doesn’t seem to affect other traffic happening at the same time. 

    Anyone else have issues with UDP based traffic or PCOIP that found an actual fix?
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