Tag Archives: firewall

Active Directory Dynamic DNS broken by Juniper SRX firewall ALG

Last week a Juniper SRX firewall was put in to replace an older internal firewall. This week a load of Windows Servers dropped out of Active Directory DNS. The scavenging period in AD DNS was configured to be 7 days. Coincidence? I … Continue reading

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Citrix Receiver 3.2 An error occurred on the Citrix servers

I think this is quite strange and had me scratching my head for a while. On a VMware Player VM, using bridged networking. I think that’s irrelevant. The VM is running Windows Server 2008 R2 SP1 with all latest updates. … Continue reading

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All required steps to get a functioning XenApp 6 Server

Install Windows Server 2008 R2. Nothing else will work for XenApp 6. Add the relevant Windows Roles/Features. Personally, I’m doing the whole build via a VBScript, but to do this step I’m using PowerShell. To make life easier for myself, I … Continue reading

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Add an Inbound Rule for an executable to Windows Firewall

As of Server 2008 R2 I’m now leaving the firewall switched on for all servers, and adding inbound rules (exceptions) where necessary during application installation. Outbound connections are all allowed by default and I’m not changing this. Note that some … Continue reading

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