Category: useful information
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SMTP Commands

The following table lists the SMTP commands that are provided by the Microsoft Windows® SMTP service (SMTPSVC). SMTP commands SMTP command Command function HELO Sent by a client to identify itself, usually with a domain name. EHLO Enables the server to identify its support for Extended Simple Mail Transfer Protocol (ESMTP) commands.…
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What port do I need to open for RDP ?
Question: What is the port used and necessary to be forwarded for Remote Desktop access?: Answer: Port 3389 is the default port used for (Remote Desktop Protocol). This is the port you would forward in your routers port forwarding section.
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What ports do I need to open to permit VPN traffic ?
For PPTP VPN connections, you need to open TCP port 1723 (for PPTP tunnel maintenance traffic). PPTP also uses IP port 47 for tunneling data. Port 47 is designed for “General Routing Encapsulation” or GRE packets. For L2TP VPN connections, you need to open UDP port 500 for Internet Key Exchange (IKE) traffic and…
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What ports for Email ?
Email ports The POP3 port for inbound emails is 110 (995 if you want to use secured POP3) And the IMAP port for inbound emails is 143 (993 if you want to use secured IMAP) The SMTP port for outbound emails is 25 or 2525 (465 if you want to use secured SMTP)
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What ports for VPN
For PPTP: IP Protocol=TCP, TCP Port number=1723 <- Used by PPTP control path IP Protocol=GRE (value 47) <- Used by PPTP data path For L2TP:For SSTP: IP Protocol Type=UDP, UDP Port Number=500 <- Used by IKEv1 (IPSec control path) IP Protocol Type=UDP, UDP Port Number=4500 <- Used by IKEv1 (IPSec control path) IP Protocol Type=ESP (value 50) …
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Some useful wiring information

some useful wiring information.. Cable pin connections LAN Straight Cable (RJ-45) Pin Number To Pin Number 1 – 1 2 – 2 3 – 3 6 – 6 White Orange, Orange, White Green, Blue, White Blue, Green, White Brown, Brown.. LAN Cross Cable (RJ-45) Pin Number To Pin Number 1 – 3 2 –…
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How can I repair the Windows 8 EFI Bootloader?
Firstly, boot from a UEFI Windows 8 recovery disk (CD/DVD/USB) – I found that the automated recovery process didn’t find the correct Windows partition, nor when I managed to add it to BCD settings would it make it reliably bootable e.g. using BCDEDIT I got it to find and launch the Windows partition but it…
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How To Disable Outlook Security Warning – “A program is trying to access e-mail addresses…”
When any software tries to access Outlook Address Book programmatically by using Outlook libraries, the system shows the security warning message – A program is trying to access e-mail addresses you have stored in Outlook. Do you want to allow this? If this is unexpected, it may be virus and you should choose “No”.…


