How can I block only Yahoo Messenger with ISA server?

How can I block only Yahoo Messenger with ISA server?

    Requires Free Membership to View

Yahoo uses http. You will need to block access to their servers. Here is the current list from yahoo:
  • Protocol: TCP or HTTP
  • Servers:
    scs.msg.yahoo.com
    scsa.msg.yahoo.com
    scsb.msg.yahoo.com
    scsc.msg.yahoo.com
  • Port: 20,23,25,80,119,5050,8001,8002

    This was first published in July 2003

  • Join the conversationComment

    Share
    Comments

      Results

      Contribute to the conversation

      All fields are required. Comments will appear at the bottom of the article.