How can I block only Yahoo Messenger with ISA server?

Joel Johnson

How can I block only Yahoo Messenger with ISA server?
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 last published in July 2003

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How can I block only Yahoo Messenger with ISA server?

Dig Deeper on Network management and monitoring

Related Q&A from Joel Johnson

Is there any way to find number of systems connected to a particular system in a network?

What command can I use on a Windows 95 machine to force it to release IP addresses?

Is there a tool that I can use from my local computer to query our DHCP server?

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SearchUnifiedCommunications

Microsoft Teams for Linux launches in public preview

Microsoft offers few upgrades for Skype server in 2019

CPaaS market evolves to meet changing business needs

SearchMobileComputing

Learn about Microsoft's changes to the Office mobile app

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Refresh your data center cooling lexicon

Comparing Linux distributions: Red Hat vs. Ubuntu

Get eco-friendly with LEED data center certification

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RSA, Yubico dream of a password-free future

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Dig Deeper on Network management and monitoring

Related Q&A from Joel Johnson

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