Is port 3632 (distcc) dangerous?

Port 3632 is classified as critical risk and should not be exposed to the public internet. It transmits data without encryption, making it vulnerable to eavesdropping and credential theft.

Should port 3632 be open on my firewall?

No, port 3632 should not be open to the public internet. Block it at the firewall and use encrypted alternatives such as SSH, SFTP, or HTTPS instead.

What transport protocol does port 3632 use?

Port 3632 (distcc) uses the TCP transport protocol and falls under the System & Infrastructure category.

:3632 (TCP)

distcc

Critical Risk

TCP — System & Infrastructure

Port Overview

Port Number 3632

Service Name distcc

Transport Protocol TCP

Category System & Infrastructure

Security Risk Critical

Port Range Registered (1024-49151)

What is Port 3632?

Port 3632 is the default port for distcc, a distributed C/C++ compiler that spreads compilation jobs across multiple machines on a network. Build systems use distcc to dramatically speed up large software compilations. An unprotected distcc daemon can be exploited to execute arbitrary code on the compilation server.

TCP System & Infrastructure

Security Considerations

Port 3632 (distcc) is classified as critical risk. This port should not be exposed to the public internet. The service transmits data without encryption, making it vulnerable to eavesdropping, credential theft, and man-in-the-middle attacks.

Recommendation: Block this port at the firewall. Use encrypted alternatives (SSH, SFTP, HTTPS) instead.

Related Ports — System & Infrastructure

0 Reserved 1 TCPMUX 2 Management Utility 3 CompressNET 4 Unassigned 5 RJE 6 Unassigned 7 Echo

Related Terms

Bandwidth Latency Packet Loss Ping Throughput ASN