Is port 2 (Management Utility) dangerous?

Port 2 is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose with standard security practices.

Should port 2 be open on my firewall?

Port 2 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 2 use?

Port 2 (Management Utility) uses the TCP/UDP transport protocol and falls under the System & Infrastructure category.

:2 (TCP/UDP)

Management Utility

Low Risque

TCP/UDP — System & Infrastructure

Aperçu du port

Numéro de port 2

Nom du service Management Utility

Protocole de transport TCP/UDP

Catégorie System & Infrastructure

Risque de sécurité Low

Plage de ports Bien connu (0-1023)

Qu'est-ce que le port 2?

Port 2 is listed as reserved by IANA but was historically assigned to the Management Utility and CompressNET protocols. It is not used by any standard service in modern networks.

TCP/UDP System & Infrastructure

Considérations de sécurité

Le port 2 (Management Utility) est classifié comme risque faible. Ce service utilise le chiffrement ou présente une surface d'attaque minimale, le rendant relativement sûr à exposer.

Recommandation : Les pratiques de sécurité standard s'appliquent. Maintenez les logiciels à jour et surveillez les accès.

Ports associés — System & Infrastructure

0 Reserved 1 TCPMUX 3 CompressNET 4 Unassigned 5 RJE 6 Unassigned 7 Echo 8 Unassigned

Termes associés

Bandwidth Latency Packet Loss Ping Throughput ASN