What is server port 995?
POP3 (Incoming) Post Office Protocol version 3 (POP3) is an mail protocol used to retrieve mail from a remote server to a local email client. Ports used for POP3: Port 110 – Default POP3 port. Port 995 – POP3 port used for SSL/TLS.
What port is 993 used for?
IMAP over SSL/TLS (IMAPS) is assigned the port number 993. Virtually all modern e-mail clients and servers support IMAP, which along with the earlier POP3 (Post Office Protocol) are the two most prevalent standard protocols for email retrieval.
Is port 993 TLS or SSL?
By default, IMAP uses port 143, POP uses port 110, and SMTP uses port 25. IMAP over SSL/TLS uses port 993. POP over SSL/TLS uses port 995, and SMTP over SSL/TLS uses port 465.
Is port 993 secure?
Examples using a secure IMAP or POP connection This is secure because the ports of 993 (incoming) and 465 (outgoing) are secure port numbers. SSL is also enabled which forces you to use these secure ports.
Is port 995 TCP or UDP?
Service Name and Transport Protocol Port Number Registry
| Service Name | Port Number | Transport Protocol |
|---|---|---|
| pop3 | 110 | tcp |
| pop3 | 110 | udp |
| pop3s | 995 | tcp |
| pop3s | 995 | udp |
Is port 993 TCP or UDP?
Port 993 Details
| Port(s) | Protocol | Details |
|---|---|---|
| 993 | tcp,udp | imap4 protocol over TLS SSL |
| 993 | tcp | imap4 protocol over TLS/SSL |
| 993 | tcp | IMAP over TLS protocol [RFC8314] , modified: 2017-12-12 |
| 993 | udp | imap4 protocol over TLS/SSL |
Which port TLS uses?
IMAP uses port 143 , but SSL/TLS encrypted IMAP uses port 993 . POP uses port 110 , but SSL/TLS encrypted POP uses port 995 .
What is the highest TCP port number allowed?
What is the Highest TCP Port Number Allowed? The highest TCP port number is 65,535. The TCP protocol provides 16 bits for the port number, and this is interpreted as an unsigned integer; all values are valid, apart from 0, and so the largest port number is (2^16 – 1) or 65,535.
What is well-known TCP port 999 for?
Dash cryptocurrency uses port 9999. Football Manager Live (TCP/UDP), Warzone 2100 (TCP/UDP), Ultima Online use this port. Backdoor.Lateda.B [ Symantec-2005-011714-4950-99] (2005.01.17) – backdoor trojan with remote access capabilities. Connects to an IRC server on port 6667, opens a backdoor on port 9999/tcp.
Which TCP ports to use?
Port 80 (TCP) is used to serve content to requesting clients. Port 443 (TCP) is the default port that is used by the hosted cache to accept incoming client offers for content. ISA/TMG Server
What are well-known TCP port numbers?
UDP port numbers are considered as well-known ports.
