Na robnih usmerjevalnikih internetnega omrežja UM je z dostopovnimi seznami ščiten dostop preko vrat, navedenih v spodnjih tabelah: A) Promet v lokalna omrežja UM:
Protokol |
Vrata |
Opis |
TCP/UDP |
19 |
Character Generator Protocol (CHARGEN) |
TCP |
25 |
Simple Mail Transfer Protocol (SMTP) |
TCP/UDP |
53 |
Domain Name System (DNS) |
TCP |
88 |
Kerberos authentication system |
UDP |
123 |
Network Time Protocol (NTP) |
TCP |
135 |
DCE endpoint |
UDP |
137 |
NetBIOS Name Service |
UDP |
138 |
NetBIOS Datagram Service |
TCP |
139 |
NetBIOS Session Service |
UDP |
161 |
Simple Network Managment Protocol (SNMP) |
TCP |
389 |
Lightweight Directory Access Protocol (LDAP) |
TCP |
445 |
Microsoft-DS Active Directory, Microsoft-DS SMB |
TCP |
636 |
Lightweight Directory Access Protocol over TLS/SSL (LDAPS) | UDP
|
1434 |
Microsoft SQL Server database management system (MSSQL) monitor |
UDP |
1900 |
Simple Service Discovery Protocol (SSDP) |
TCP |
3268 |
Microsoft Global Catalog (GC) |
TCP |
3269 |
Microsoft Global Catalog over SSL (LDAPS) |
B) Promet iz lokalnih omrežij UM:
Protokol |
Vrata |
Opis |
TCP |
25 |
Simple Mail Transfer Protocol (SMTP) |
|