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Questions tagged [address]

69 questions
7
votes
2 answers

How do I create a virtual IP address?

i am a student so i am pretty new at this but i am making a web cluster with two web servers so that if one server fails the website still stays up. my question is how do i assign a virtual IP address to both machines so that I have one IP address…
slufb63
5
votes
2 answers

How to get public IPs on ESXi VMs?

We have a dedicated server with a hosting provider. We are running ESXi 6.0. The server has a single public IP which is currently being used for the management interface. The provider has also assigned us a /29 block so our VMs can have public IPs.…
user284587
5
votes
5 answers

Why is this China IP hitting my web site?

I have a web site that uses a couple hundred domain aliases, including franchise-dallas.info, franchise-delaware.info, and detroitfranchise.info (see more below). I have been getting ten to twenty hits per day via Google AdWords PPC. I set up a log…
Evik James
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4
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2 answers

What are the IPv6 Public and Private and Reserved ranges

I just want to know what are all the public IPv6 ranges which ISPs or other users can use? Also need a list of addresses which can be used in private networks and also the list of addresses which never can be used in any network. I have been…
Vipin raj
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3
votes
1 answer

Why do servers not accept email address comments?

According to Wikipedia Email addresses can contain comments in parentheses like john.smith(comment)@example.com. I tried to send out some mails to valid Email addresses using such comments using several Email servers but all of them complained that…
John Smith
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3
votes
2 answers

How to disable temporary IPv6 address in win7?

I found that the IPv6 link local address was generated randomly in Windows 7, not following the EUI-64 standard. Then I found this link and followed its guide: netsh interface ipv6 set global randomizeidentifiers=disabled netsh interface ipv6 set…
Frank
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3
votes
3 answers

CentOS Wrong Outgoing IP Address

I have a Centos 5 box with a sub interface: ifconfig eth0 10.1.1.1 255.255.255.255 ifconfig eth0:1 10.1.1.2 255.255.255.255 The netmasks need to be 32bit in the environment this server is in. So in order to specify the default route, we let the…
Paul
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3
votes
2 answers

Outbound IPv6 Trafic Fails

My hosting provider has supplied me with global static IPv6 for my machine. It appears that auto configuration has been successful and I can successfully ping my machine and tracepath6 appears to function correctly. I am running a 64bit Arch Linux…
Ben Campbell
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3
votes
2 answers

Allowing traffic only from a specified IP addresses using iptables

I have a dedicated server (which I only use a lab/testing environment). On the server CentOS 5.6 is running and it is functioning as a KVM host. To secure things a little I want to do the following use 'iptables' to only allow traffic from certain…
St. Even
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3
votes
4 answers

Linux: disallowing access to a network when the user has a static-defined IP address

In my network I run dhcpd3 set up to assign IP addresses only to specific MAC addresses. It works wonderfully, I even integrated it with bind9 to automatically create direct and reverse DNS hostnames with a custom TLD and all. But one thing I…
vfontes
3
votes
3 answers

Configuring Cisco ASA 5510 to assign static IP address based on MAC address

We have a CISCO ASA 5510 at work. We want to configure the same such that it can serve specific IP addresses based on the MAC address of the clients. Any help would be greatly appreciated. Thanks in advance -knd
knd
2
votes
1 answer

Change scale set virtual network default address 10.0.0.0/16

By default, when creating a scale set through the Azure Portal, that scale set has a a virtual Network with the default address 10.0.0.0/16, even if you are already using that Network for other instances. 1) Does anyone knows how i can change that…
Nick
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2
votes
1 answer

Postfix replaces "from" when using simple filtering

I'm trying to configure Postfix (on a RHEL 6.5) to modify the content of incoming messages and forward the emails to a remote server. I used a Perl script piped to Postfix to modify the content, and the emails get injected back into Postfix using…
Andrea
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2
votes
1 answer

How can I deny a bind lookup on a single IP address?

I am running a BIND installation as a simple RBL server. The problem I am running in to is that if I have listed a block of IP addresses like: *.0.0.10.rbl.mydomain.net. IN A 127.0.0.1 *.0.0.10.rbl.mydomain.net. IN TXT…
user162910
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2
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3 answers

IP address of virtual server?

I have a virtual server (shared hosting), with a domain name (and several sub-accounts, each one a separate site also with its own domain name) I was wondering if there was a way to find out the IP address of a domain name. I tried to ping it, but…
Mark
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