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This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.
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- Commonly Used Port + (Adversaries may communicate over a commonl … Adversaries may communicate over a commonly used port to bypass firewalls or network detection systems and to blend in with normal network activity, to avoid more detailed inspection. They may use the protocol associated with the port, or a completely different protocol. They may use commonly open ports, such as the examples provided below.</br>* TCP:80 (HTTP)</br>* TCP:443 (HTTPS)</br>* TCP/UDP:53 (DNS)</br>* TCP:1024-4999 (OPC on XP/Win2k3)</br>* TCP:49152-65535 (OPC on Vista and later)</br>* TCP:23 (TELNET)</br>* UDP:161 (SNMP)</br>* TCP:502 (MODBUS)</br>* TCP:102 (S7comm/ISO-TSAP)</br>* TCP:20000 (DNP3)</br>* TCP:44818 (Ethernet/IP)TCP:20000 (DNP3) * TCP:44818 (Ethernet/IP))