• Enfield, Waltham Abbey
  • 0844 567 4250


Search Results For Passionate About IT Knowledge Base

By Aizen on Wed, 24 Oct 2012 14:28:04 GMT
Below you will find detailed information on ports used for VPN pass through.

If RRAS based VPN server is behind a firewall (i.e. a firewall is placed between Internet and RRAS server), then following ports need to be opened (bidirectional) on this firewall to allow VPN traffic to pass through: -

For PPTP: IP Protocol=TCP, TCP Port number=1723   <- Used by PPTP control path IP Protocol=GRE (value 47)   <- Used by PPTP data path For L2TP: IP Protocol Type=UDP, UDP Port Number=500    <- Used by IKEv1 (IPSec control path) IP Protocol Type=UDP, UDP Port Number=4500   <- Used by IKEv1 (IPSec control path) IP Protocol Type=ESP (value 50)   <- Used by IPSec data path For SSTP: IP Protocol=TCP, TCP Port number=443   <- Used by SSTP control and data path For IKEv2: IP Protocol Type=UDP, UDP Port Number=500    <- Used by IKEv2 (IPSec control path) IP Protocol...
By Aizen on Tue, 24 Apr 2012 19:36:11 GMT
In Windows environments - the Domain Controller is at the heart of the network, controlling authenticaton for user access via Active Directory. See this Wiki for article for full defintion of a Domain Controller in Windows.
By Aizen on Tue, 28 Feb 2012 15:40:05 GMT
You may experience a problem trying to map network drive or browse a DFS name space from a Windows 7 Client. It appears that this problem is becoming more and more common so we decided to tackle it here. Try this quick registry fix

Contact Us

Have an I.T Problem? Get in touch for an informal chat and find out how we can help

Click here

Blog Calendar

<October 2020>
By continuing to use this site you agree to the use of cookies. To view our policy on cookies click here