---
title: 'Plesk Firewall Port Numbers'
url: 'https://docs.danami.com/juggernaut/misc/plesk-firewall-port-numbers'
markdown: 'https://docs.danami.com/juggernaut/misc/plesk-firewall-port-numbers.md'
date: '2026-09-22'
description: 'Default TCP Port Numbers Port Direction Description 20 in / out FTP data transfer 21 in / out FTP control 22 in / out Secure shell (SSH) 25 in / out Simple mail transfer protocol (SMTP) 53 in / out Domain name system (DNS) 80 in / out Hypertext transfer protocol (HTTP) 110 in / o…'
taxonomy:
  category:
    - docs
  tag:
    - ports
---

[](#)  [ Basics ](https://docs.danami.com/juggernaut/)     [ Misc ](https://docs.danami.com/juggernaut/misc)      Plesk Firewall Port Numbers    

# Plesk Firewall Port Numbers

## Default TCP Port Numbers

| Port | Direction | Description |
|---|---|---|
| 20 | in / out | FTP data transfer |
| 21 | in / out | FTP control |
| 22 | in / out | Secure shell (SSH) |
| 25 | in / out | Simple mail transfer protocol (SMTP) |
| 53 | in / out | Domain name system (DNS) |
| 80 | in / out | Hypertext transfer protocol (HTTP) |
| 110 | in / out | Post office protocol v3 (POP3) |
| 113 | out | Authentication service/identification protocol (IDENT) |
| 143 | in / out | Internet message access protocol (IMAP) |
| 443 | in / out | Hypertext transfer protocol over SSL/TLS (HTTPS) |
| 465 | in / out | Simple mail transfer protocol overl SSL (SMTPS) |
| 587 | in / out | E-mail message submission (SMTP) |
| 993 | in / out | Internet message access protocol over SSL (IMAPS) |
| 995 | in / out | Post office protocol 3 over TLS/SSL (POP3S) |
| 2703 | out | Spamassassin Razor2 |
| 5224 | out | Plesk license check |
| 8443 | in / out | Plesk administrative interface (HTTPS) |
| 8447 | in / out | Parallels Products Installer |
| 8880 | in / out | Plesk administrative interface (HTTP) |
| 30000:35000 | in | FTP passive port range (When configured) |

## Default UDP Port Numbers

| Port | Direction | Description |
|---|---|---|
| 20 | in / out | FTP data transfer |
| 21 | in / out | FTP control |
| 53 | in / out | Domain name system (DNS) |
| 113 | out | Authentication service/identification protocol |
| 123 | out | Network Time Protocol |
| 443 | in / out | Hypertext transfer protocol over SSL/TLS (HTTPS / HTTP3) |
| 873 | out | Rsync |
| 123 | out | Network time protocol (NTP) |
| 6277 | out | Spamassassin DCC |
| 8443 | in / out | Plesk administrative interface (HTTPS / HTTP3) |
| 24441 | in / out | Spamassassin Pyzor |
| 33434:33523 | out | Traceroute |

## Optional TCP Port Numbers

| Port | Direction | Description |
|---|---|---|
| 139 | in / out | Samba |
| 445 | in / out | Samba |
| 3306 | in / out | MySQL |
| 5432 | in / out | Postgres |
| 9008 | in / out | Tomcat administrative interface |
| 9080 | in / out | Tomcat |
| 11443 | in / out | Parallels Single Sign-On |
| 12443 | in / out | Parallels Customer and Business Manager payment gateways |

## Optional UDP Port Numbers

| Port | Direction | Description |
|---|---|---|
| 137:138 | in / out | Samba |
| 1194 | in / out | Plesk VPN |

## Related Pages

- [Port Settings](https://docs.danami.com/juggernaut/settings/other/port-settings "Port Settings")
- [Port Settings](https://docs.danami.com/juggernaut/settings/firewall/port-settings "Port Settings")

 [ ](https://docs.danami.com/juggernaut/settings/other/port-settings)

---

## Navigation

- Parent: [Misc](https://docs.danami.com/juggernaut/misc.md)
- Next: [Translating](https://docs.danami.com/juggernaut/misc/translating.md)