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| ## page was renamed from Support/ZLS/PortForwarding == Typical Port Forwarding Required for Support of ZLS Linux servers == | |
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| ||Ping ||ICMP ||8 ||8 || | |
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| ||Alternate http ||TCP ||81 ||80 || | |
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| ||POP3s ||TCP ||995 ||995|| | ||POP3s ||TCP ||995 ||995 || | 
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| ||Ping ||ICMP ||8 ||8 || | |
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| '''Note:''' additional ports may be required on individual sites. | 
Typical Port Forwarding Required for Support of ZLS Linux servers
| Port Forwarding for ZLS Linux Servers | |||
| Description | Protocol | External Port | Internal Port | 
| Ping | ICMP | 8 | 8 | 
| DynDNS , Monitoring | UDP | 58800 | 58800 | 
| Open VPN | UDP | 1194 | 1194 | 
| Open VPN | TCP | 1194 | 1194 | 
| Auth | TCP | 113 | 113 | 
| Ssh | TCP | 22 | 22 | 
| Alternate ssh | TCP | 2022 | 2022 | 
| Webmail etc | TCP | 80 | 80 | 
| Alternate http | TCP | 81 | 80 | 
| HTTPS | TCP | 443 | 443 | 
| POP3 | TCP | 110 | 110 | 
| POP3s | TCP | 995 | 995 | 
| IMAP | TCP | 143 | 143 | 
| IMAPs | TCP | 993 | 993 | 
| SMTP | TCP | 25 | 25 | 
| Submission | TCP | 587 | 587 | 
| SMTPs | TCP | 465 | 465 | 
Note: additional ports may be required on individual sites.