All ports
Port995/TCP
pop3sPort
995
Protocol
TCP
Category
Well-Known
Service
pop3s
What is port 995?
Port 995/TCP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the pop3s service.
POP3 over TLS protocol
Useful commands
nmapnmap -p 995 -sV example.comnetcatnc -zv example.com 995curlcurl -v http://example.com:995/telnettelnet example.com 995bash(echo > /dev/tcp/example.com/995) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 995/tcpDeny
sudo ufw deny 995/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 995 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 995 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=995/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 995" dir=in action=allow protocol=TCP localport=995Security Risks
- Unauthorized access to the service
- Data exposure if the service is unauthenticated
- Outdated versions with vulnerabilities
- Incorrect service configuration
Frequently Asked Questions
What service runs on port 995/TCP?
Port 995/TCP is associated with the pop3s service. POP3 over TLS protocol
Is it safe to expose port 995 to the Internet?
It depends on the service and configuration. Port 995 (pop3s) is a Well-Known port. If you need to expose it, keep the service updated, use strong authentication, and configure a firewall. It's always recommended to restrict access by IP when possible.
How do I check if port 995 is open?
You can use nmap: `nmap -p 995 -sV example.com`, netcat: `nc -zv example.com 995`, or the bash command: `(echo > /dev/tcp/example.com/995) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 995 on my firewall?
On Linux with UFW: `sudo ufw allow 995/tcp` (open) or `sudo ufw deny 995/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 995 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 995" dir=in action=allow protocol=TCP localport=995`.
What applications and services use port 995?
Port 995/TCP is used by the pop3s service. Specific uses depend on the software and configuration. Check our related tools section for more information.