TCP

(tag)

  • Test DNS connectivity

    I was setting up OKD on a separate VLAN and wanted to used the OKD DNS service but it just wasn’t working and I felt it was a connectivity/firewall issue but could not find a tool to test. I was testing on my Windows 10 desktop connecting to a Fedora DNS server. Port Query I… read more…

    Test DNS connectivity

  • Connection timeout to DMZ for SonicWall

    I have my public web server in my DMZ which is running on a VLAN. I am getting timeouts on my SSH connections. Login to the admin console and get to “Firewall | Access Rules” and change the viewing style to “Matrix”. Look for the button from LAN to DMZ and click on it: This… read more…

    Connection timeout to DMZ for SonicWall