Port numbers

August 22, 2017

RDP – 3389 – (windows rdp port number and remote desktop port number)

FTP – 21 – (file transfer protocol)

TFTP – 69 – ( tftp port number )

Telnet – 23 – ( telnet port number)

SMTP – 25 – ( SMTP port number)

DNS – 53 – ( dns port number and Domain Name System port number)

DHCP – 68 – (DHCP port number and Dynamic Host Configuration Protocol port number )

POP3 – 110 – ( post office Protocol 3 port )

HTTP – 80 – (http port number)

HTTPS – 443 – (https port number)

NNTP – 119 – ( Network News Transfer Protocol Port number )

NTP – 123 – (ntp port number and network Time Protocol and SNTP port number )

IMAP – 143 – (Internet Message Access Protocol port number)

SSMTP – 465 – ( SMTP Over SSl )

SIMAP – 993 – ( IMAP Over SSL )

SPOP3 – 995 – ( POP# Over SS L)

Time – 123 – ( ntp port number and network Time Protocol and SNTP port number )

NetBios – 137 – ( Name Service )

NetBios – 139 – ( Datagram Service )

DHCP Client – 546 – (DHCP Client port number)

DHCP Server – 547 – (DHCP Server port number)

Global Catalog – 3268 – (Global Catalog port number)

LDAP – 389 – ( LDAP port number and Lightweight Directory Access Protocol port number )

RPC – 135 – (remote procedure call Port number)

Kerberos – 88 – ( Kerberos Port Number)

SSH – 22 – ( ssh port number and Secure Shell port number)

Force the active directory replication with the entire replication partner

In some scenario you want to force active directory replication with the entire replication partner, let say you have a 10 connection objects corresponding to each of its replication partners and you want to force the replication to all the connection objects on server1.test.com, you can use the blow command.

Syntax: repadmin /replicate destination_dsa Naming Context /allsources

Example: repadmin /replicate server1.test.com dc=test,dc=com /allsources

Destination server Name: server2.test.com Naming Context: dc=test,dc=com (Domain partition)

DNS Lookup Tool with GUI

By mail2spi2014 | June 16, 2011

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Free Nslookup Tool for Windows with GUI interface

It’s a normal Windows Nslookup tool, command line windows Nslookup tool been converted to user friendly GUI tool, this tool used to check the DNS entry and it has many customized features

Features of DNS Lookup Tool

• You can check the different record types (A, MX, NS, SOA, PTR, and SRV)

• You can enable the Debugging mode for better DNS troubleshooting

• You can change the DNS Query Type (Recurse, Iterative (non-recursive))

• Also you can able to specify the server from where you want to query the DNS entry (By default it’s a primary DNS server from the network card configuration)

• Easy to use and user friendly, no installation required you can directly run the tool.

DNS Lookup Tool