Questions tagged [address]
The address tag has no usage guidance.
70
questions
7
votes
2
answers
20k
views
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 ...
slufb63
5
votes
2
answers
43k
views
What are the IPv6 Public and Private and Reserved ranges [duplicate]
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 ...
- 81
5
votes
5
answers
7k
views
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 ...
- 257
5
votes
2
answers
14k
views
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 ...
user284587
4
votes
1
answer
718
views
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 ...
- 41
4
votes
1
answer
9k
views
How can I set a specific IP range for NFS exports file?
For example, I want to set an allowed IP range from 192.168.0.12 to 192.168.0.20.
Would it require me to input all the IP addresses on that one line? Or is there an easier way to set this specific ...
- 41
3
votes
4
answers
817
views
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 ...
vfontes
3
votes
2
answers
3k
views
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 ...
- 133
3
votes
3
answers
5k
views
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 ...
- 1,309
3
votes
2
answers
6k
views
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 ...
- 31
3
votes
2
answers
3k
views
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 ...
- 33
3
votes
3
answers
3k
views
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 ...
knd
2
votes
2
answers
7k
views
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....
- 255
2
votes
3
answers
22k
views
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 ...
- 23
2
votes
1
answer
41k
views
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}...
2
votes
1
answer
754
views
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 ...
- 23
2
votes
1
answer
712
views
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 ...
- 21
2
votes
1
answer
164
views
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....
- 21
2
votes
1
answer
3k
views
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 ...
- 588
1
vote
3
answers
10k
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In IPv4 Subnets - a /23 - How do we know which range to use? [duplicate]
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-...
- 113
1
vote
1
answer
200
views
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)
...
- 19
1
vote
4
answers
1k
views
Show Ubuntu server IP Addresses
I'm into a little dilemma here. I bought a server, running Ubuntu, having 255 IP addresses and now I need to see them. I've searched the internet before posting here and found out that the command "ip ...
- 15
1
vote
1
answer
1k
views
Where does ISP obtain their IP address from in order to connect to internet?
To my little knowledge, my home computer can connect to internet because the ISP assigned a dynamic IP address to my router. Then through NAT, the router assign an dynamic IP address for my home ...
- 117
1
vote
2
answers
52k
views
First and last IP address of the network 192.168.176.0/23 (subnet 23) [duplicate]
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 ...
- 23
1
vote
2
answers
7k
views
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... ...
- 181
1
vote
1
answer
572
views
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 ...
- 11
1
vote
3
answers
278
views
Setting up IP addresses in Linux networking
I am running Ubuntu Desktop and Ubuntu Server editions on two separate VMs.
For the desktop I have set network adapters:
Adapter 1: internal network called intnet
Adapter 2: NAT
Server adapters:
...
- 31
1
vote
1
answer
2k
views
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, ...
- 11
1
vote
2
answers
2k
views
SIP Server with dynamic public IP address and dyndns
Is it possible to run SIP server with dynamic public IP address and dyndns?
The question is what happens when IP address is changed and DNS is not yet updated.
Sasa
1
vote
1
answer
364
views
Change Address Range Windows VPN
I am wondering how to change the Address Range for the VPN connections on Windows RRAS.
- 95
1
vote
1
answer
563
views
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 ...
user391987
1
vote
2
answers
591
views
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 - ...
- 11
1
vote
0
answers
942
views
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 ...
- 141
1
vote
1
answer
354
views
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, ...
- 141
1
vote
1
answer
781
views
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 ...
- 111
1
vote
3
answers
573
views
Display maintenance site to requesters based on their IP address
I would like to set a special configuration in our apache web server.
I would like to display sites to the users according to their IP addresses.
We plan to upgrade our web sites. During the upgrade ...
- 41
1
vote
2
answers
336
views
IP Address Restriction
I need some technical help regarding IP address restriction in IIS7. My problem how i can block all IP's except following IP address ex:- 69.59.196.212 in my IIS7. I want give access max 4-5 IP's ...
ABR
0
votes
3
answers
149
views
using 192.170.130/24 as a subnet on the LAN
We have a client who has a 192.170.130/24 subnet on their LAN, which is being NATed to the WAN IP address from their ISP. Is this a good idea or should they be using an RFC1918 addresses on their LAN?
...
- 31
0
votes
2
answers
280
views
Assigning a static IP address to DHCP network
I would like to add a static IP address to computer on a DHCP network. If I reserve an IP address for this computer does this result in a static IP address?
0
votes
2
answers
916
views
Local Network Windows Port Address Translation
We have many legacy applications that can only send reports via printing. We have an application called RPM that can receive these print jobs and convert them to a more useful medium (e.g. PDF ...
- 194
0
votes
1
answer
66
views
Where is email delivered if the domain on a shared IP has A record but does not have MX records?
Some say that an mail server can deliver email to the IP address where the domain is pointed to by A record even if the domain does not have corresponding MX records, though it is not recommended.
...
- 161
0
votes
1
answer
3k
views
My Website Loads Really Slow Using Domain Name, But Fast Using IP
Only fixed line ISP is affected. Others OK. Anyone knows where to start to detect the problem?. DNS Checked using DIG TRACERT NSLOOKUP WHOIS all OK. is there anything i need to check at my hosting ...
- 23
0
votes
5
answers
469
views
Moved IP addresses to other server, no network internally anymore
I have had this server set-up:
serverA
ip 200.200.200.100
ip 200.200.200.101
ip 200.200.200.102
ip 200.200.200.103
Due to circumstances, I had to move away ip 200.200.200.102 and 200.200.200.103 ...
0
votes
2
answers
63
views
Setting http://domain and http://ip to show different directories
Can someone tell me what httpd.conf settings I need to acomplish this?
When in browser I access http://IP I want to show: /var/www/html/
And when I access http://domain I want to show /var/www/html/...
- 1,149
0
votes
2
answers
2k
views
Postfix is sending mail with wrong domain
I've managed to setup a simple mail server that is working on every level but with one exception: when I'm sending email to an external email address, the receiver is seeing it as coming from blabla@...
Progenitura
0
votes
1
answer
240
views
Forward Application IP/host to localhost (windows)
I'm working on a windows XP / win 7 environment and i have an application (game) that connects to an static hostname and ip.
It does have a connection to 2 ports (ports 5000TCP&UDP and 6000TCP).
...
0
votes
1
answer
361
views
MAC Address of VPN Client Keeps Changing
We have a desktop using Windows 10 at a remote location, and that pc has a printer connected to it. We use the Windows 10 VPN client to connect to the router of the local office (peplink 20) and once ...
- 11
0
votes
2
answers
960
views
Sieve: Filter Rules
I want to implement a rule as follows:
If "To" comprises only addresses having "*@example.com" -> discard
Otherwise -> keep
In other words:
If "To" comprises at ...
- 1
0
votes
1
answer
661
views
Connecting Computers accross different subnets or IP addresses
I have a setup that involves:
Cable modem/router at 192.168.10.1
Wireless Router 1 at 192.168.20.1
Wireless Router 2 at 192.168.30.1
The wireless router are connected to the Cable Modem via the WAN ...
- 1
0
votes
2
answers
2k
views
Static public IP address + OpenVPN + Setup
Grettings,
I'm trying to figure out a way to make things work. Basically, my coworker needs an access to our client's backend dashboard and to get access they need to whitelist our public IP. Since we ...
