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Which ports are blocked? Print

  • 18

Network Security

Network Port Policy & Restrictions

Detailed list of blocked ports and those available upon specific customer request.

Permanently Blocked Ports

The following ports are blocked network-wide for security reasons and cannot be opened under any circumstances:

UDP Protocol TCP Protocol
17, 19, 23, 111, 161, 1900, 11211, 53413 17, 19, 23, 111, 1080, 1900

Ports Available Upon Request

These ports are closed by default but can be opened upon request via a support ticket:

Email (SMTP/SSL)

25, 465, 587

 

VOIP / SIP

5060, 5061, 4569

 

SMB / Directory

135, 389, 445

Need to open one of these ports? Open a support ticket now


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