Is port 2638 (SAP SQL Anywhere) dangerous?

Port 2638 is classified as medium risk. It is commonly exposed but consider using encrypted alternatives where available and monitor activity.

Should port 2638 be open on my firewall?

Port 2638 can be open but should be monitored closely. Keep the service updated and prefer encrypted alternatives where available.

What transport protocol does port 2638 use?

Port 2638 (SAP SQL Anywhere) uses the TCP transport protocol and falls under the Database category.

:2638 (TCP)

SAP SQL Anywhere

Medium Risk

TCP — Database

Port Overview

Port Number 2638

Service Name SAP SQL Anywhere

Transport Protocol TCP

Category Database

Security Risk Medium

Port Range Registered (1024-49151)

What is Port 2638?

Port 2638 is the default port for SAP SQL Anywhere (formerly Sybase SQL Anywhere) database server. Applications connect to SQL Anywhere databases on this port for OLTP and embedded database scenarios. SQL Anywhere is commonly used in mid-market ERP and field service management applications.

TCP Database

Security Considerations

Port 2638 (SAP SQL Anywhere) 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 — Database

66 Oracle SQL*NET 118 SQL Services 134 INGRES-NET 142 BL-IDM 150 SQL-NET 156 SQL Service 181 Unify 188 MUMPS

Related Terms

ASN BGP Hijack Data Center Domain Name Dual Stack Internet Exchange Point (IXP)