Is port 2598 (Citrix Reliable ICA) dangerous?

Port 2598 is classified as medium risk. It is commonly exposed but consider using encrypted alternatives where available and monitor activity.

Should port 2598 be open on my firewall?

Port 2598 can be open but should be monitored closely. Keep the service updated and prefer encrypted alternatives where available.

What transport protocol does port 2598 use?

Port 2598 (Citrix Reliable ICA) uses the TCP transport protocol and falls under the Remote Access category.

:2598 (TCP)

Citrix Reliable ICA

Medium Risk

TCP — Remote Access

Port Overview

Port Number 2598

Service Name Citrix Reliable ICA

Transport Protocol TCP

Category Remote Access

Security Risk Medium

Port Range Registered (1024-49151)

What is Port 2598?

Port 2598 is used by Citrix for Reliable ICA (RICAL), an enhanced version of the ICA protocol that provides session reliability and connection quality improvements. It allows Citrix sessions to automatically reconnect after brief network interruptions without losing the desktop session. This port is used alongside port 1494 in Citrix XenApp/XenDesktop environments.

TCP Remote Access Commonly Used

Security Considerations

Port 2598 (Citrix Reliable ICA) is classified as medium risk. While this service is commonly exposed, consider using encrypted alternatives where available.

Recommendation: Keep the service updated. Monitor logs for unusual activity.

Related Ports — Remote Access

22 SSH 23 Telnet 57 Private Terminal Access 89 SU/MIT Telnet Gateway 95 SUPDUP 107 Remote Telnet 177 XDMCP 219 Uarps

Related Terms

SSL/TLS Certificate DDoS DNS Spoofing Encryption Firewall HTTPS