SpeedGuide net List of Commonly This is a list of the most commonly open TCP UDP ports as reported by our Security Scan tcp 389 0 03 261 scan tcp

List of TCP and UDP port numbers Wikipedia

SG Ports Services and Protocols Port 389 tcp udp information official and unofficial assignments known security risks trojans and applications use

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Like TCP UDP is used in combination with IP the Internet Protocol and facilitates the transmission of datagrams from one computer to applications on another computer but unlike TCP UDP is connectionless and does not guarantee reliable communication it 39 s up to the application that received the message to process any errors and verify

SG Ports Services and Protocols Port 139 tcp udp information official and unofficial assignments known security risks trojans and applications use

Port 389 Tcp Udp Speedguide

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Port 137 tcp udp SpeedGuide

A quick search revealed on https www speedguide net port php port 60001 that this port and port 60000 was used by trojans to access the network

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Is port 389 on AD in anyway used or required when a new

TCP and UD ports required for communication between Domain

Port 389 is used for Lightweight Directory Access Protocol LDAP which is a protocol used to access and manage directory information services It enables directory services to be widely available across a network and allows clients to access and modify data without requiring administrative access to the directory itself

What are the common TCP ports FTP ports 20 21 SSH SCP port 22 Telnet 23 SMTP 25 DNS 53 HTTP 80 POP3 110 IMAP 143 HTTPS 443

This is a list of TCP and UDP port numbers used by protocols for operation of network applications The Transmission Control Protocol TCP and the User Datagram Protocol UDP only need one port for duplex bidirectional traffic

Port 389 vs 636 What s the Differences Between LDRP Ports

Port 389 TCP UDP Ports

Sygate Personal Firewall comes with a default rule set that blocks all udp requests however if udp requests originates from source port 137 or 138 they are allowed thus a malicious person could get access to all open udp ports on a target merely by sending all requests from source port 137 or 138 References SECUNIA 7930 SG 137 tcp udp

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LDAP port 389 is used for unencrypted LDAP communication while port 636 is used for encrypted LDAP communication via TLS SSL Port 389 should only be used on fully trusted internal networks Port 636 should be used for any external network connections or untrusted environments

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SG TCP IP Ports database contains the largest comprehensive searchable collection of official and unofficial tcp udp port assignments known vulnerabilities malware trojans applications use and more

How to configure firewall rule for UDP 389 Windows

TCP Port 139 and UDP 138 for File Replication Service between domain controllers UDP Port 389 for LDAP to handle normal queries from client computers to the domain controllers

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If so you would just login to the interface for the Security Appliance and set the Firewall rule up to block incoming UDP requests to port 389 This would be applied to only the OUTSIDE facing port of the appliance

Understanding Port 389 TCP and UDP Protocols Port 389 is a well known port number assigned by the Internet Assigned Numbers Authority IANA for the Lightweight Directory Access Protocol LDAP

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Port 9389 tcp udp SpeedGuide

LDAP TCP and UDP port 389 is used for Directory Replication User and Computer Authentication Group Policy Trusts As you mentioned we could not block port 389 on AD For LDAPs LDAP SSL TCP 636 is used for Directory Replication User and Computer Authentication Group Policy Trusts

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Uses speedguide net to get the information on given ports NathanHRich port information lookup

SG Ports Services and Protocols Port 9389 tcp udp information official and unofficial assignments known security risks trojans and applications use

Listens for remote commands on port 53 tcp Connects to an FTP server on port 21211 tcp Scans for systems vulnerable to the exploit on port 1025 tcp Kerio Personal Firewall KPF 2 1 4 has a default rule to accept incoming packets from DNS UDP port 53 which allows remote attackers to bypass the firewall filters via packets with a source