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Questions tagged [address]

69 questions
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Address (url) forwarding with Vyatta

Got this kind of noob question i suppose. I got this very basic network setup and need help to set up some address forwarding. As seen in my illustration below all traffic enters via the eth0 interface (85.123.32.23). The external dns is setup to…
Eric Herlitz
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Does CNAME (Canonical Name record) override A (address record)?

If I have an address record setup as follows... www.mywebsite.com 111.1.1.1 *.mywebsite.com 111.1.1.2 and a CNAME setup as follows... beta.mywebsite.com 111.1.1.3 Would pinging beta.mywebsite.com resolve to 111.1.1.2 or 111.1.1.3? How long…
digiguru
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In IPv4 Subnets - a /23 - How do we know which range to use?

Let's assume I don't know what my IP range is, or my default gateway, but I know my IP address is 192.168.5.38 and my CIDR Range is /23. How do I know what my IP range is? Is my range 192.168.4.0-192.168.5.255 or 192.168.5.0-192.168.6.255 Can we…
Chris S
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Primary Smtp Address valid format for New-Mailbox cmdlet

I am writing simple application that utilizes the New-Mailbox cmdlet. One of parameters that is set is PrimarySmtpAddress. Provided Smtp address must be valid, otherwise the call will fail. I was trying to find some specification for valid smtp…
user391987
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1 answer

Change Address Range Windows VPN

I am wondering how to change the Address Range for the VPN connections on Windows RRAS.
D4.
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One IP address with multiple nat servers on one domain

Is it possible to use one domain to connect with servers in NAT? Example example.ltd - > 12.12.12.12 nat1.example.ltd - > 12.12.12.12 - > 192.168.1.100 nat2.example.ltd - > 12.12.12.12 - > 192.168.1.101 etc.. Is it possible? I have only one IP…
typedefex
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Dynamic IP address to Domain

A camera when connected to a DHCP Network receives an IP address. Using IP lookup I find the IP address of the camera. Then I type the camera IP address in a browser - it shows a website (index.html) I want to eliminate the process of finding the…
Bluesky
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POSTFIX: Sender address rejected: Domain not found (in reply to MAIL FROM command)

My mail server not recognize $mydestination, why? sproxy:/var/spool/mail # tail -f /var/log/mail | grep vinicius.lehmann Oct 6 11:13:21 sproxy amavis[31008]: (31008-17) Passed CLEAN {RelayedInternal}, MYNETS LOCAL [192.168.0.125]:57464…
viniciuslehmann
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First and last IP address of the network 192.168.176.0/23 (subnet 23)

Let's have the following address of the network: 192.168.176.0/23. What are the first and last IP addresses of this network? Following this answer https://serverfault.com/a/327782/288201 I assume that: /23 means 23 bits for the subnet. At 8 bits…
zus
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Why my website is not accessible with the www prefix

I know this is an old, and "amateur" question but I see myself in the need of making this question since I truly don't know whats going on. My website is not accessible with the www prefix... Actually it works sometimes and sometimes it does not. If…
adelriosantiago
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How to change SAS address on Expander

I have the following setup - two supermicro backplane attached to one controller LSI SAS 9207-4i4e and unfortunately cannot access the disks, during boot there are disks only in one backplane, the disks from the second are missing, but when I boot…
neoX
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How to block outgoing traffic of the mac address of one of the server's own NIC with ip tables?

i have a server with 5 nics connected to a switch, and running GNS3 (cisco router emulator). I need to block, in the server, the packets originated by the nics at layer 2 level (the nics are not configured with ip) so i have to block with ip tables,…
Bartoluz
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Add IP addresses on CentOS 6

I have a 12 IPv4 addresses that I need to add to a CentOS 6.3 machine however those 12 IPs are spread out among 3 different subnets. I know how to add additional IPs when they are on the same subnet, but how can I do it with different subnets? Is…
user1710563
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Rebooting a guest causes IP address conflict

We've been having issues while setting up a vSphere cluster, using 7 ESXi hosts, and running about 74 guests that are amongst the mess. Our issue is that when we reboot a guest, Windows or Linux, they come back and report an IP Address conflict. We…
Eirik W Toft
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configuring external block of IP addresses

I have a business DSL through FairPoint. With it, I have a block of 5 IP addresses. I've done some googling and spoken with FP tech support. Perhaps someone that's more knowledgeable than I can provide some direction. I'm currently hosting my…
soulia
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