• Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 229
  • Last Modified:

why firewall prohibit the use of ftp & smtp except of http?

why firewall prohibit the use of ftp & smtp except of http?
0
she1
Asked:
she1
1 Solution
 
stevenlewisCommented:
firwallos do prevent http, at least incoming requests
and firewalls don't block smtp or ftp (at least outgoing requests)
a request from the inside will trigger the port to open
http, or ftp or smtp
but an unsolicited request from the outside will be rejected
see here
http://www.howstuffworks.com/firewall.htm
and here
http://www.practicallynetworked.com/sharing/firewall.htm
0

Featured Post

Put Machine Learning to Work--Protect Your Clients

Machine learning means Smarter Cybersecurity™ Solutions.
As technology continues to advance, managing and analyzing massive data sets just can’t be accomplished by humans alone. It requires huge amounts of memory and storage, as well as high-speed processing of the cloud.

Tackle projects and never again get stuck behind a technical roadblock.
Join Now