The ip-address tag has no wiki summary.
2
votes
2answers
41 views
Rewrite URL Domain Name when IP address used
My apache home server listens for HTTP requests on an alternate port (port 8080), but I would like to let users type my domain name (example.com) without having to specify the port.
So far I've ...
1
vote
1answer
47 views
How do I access a server from a specific IP?
I have a two systems on a private network 192.168.0.0/16.
SysA has an IP of 192.168.0.30
SysB has two subinterfaces in linux, ETH0:0 with IPs of 192.168.200.213 and ETH0:1 192.168.90.20.
If I'm on ...
0
votes
0answers
20 views
DNS poisoned nslookup returns wrong ip address [migrated]
I recently had a 'redirect virus' while I was logged in as administrator. Every time I would query something in a search engine, I was redirected to domaindiscount24.com. After a virus cleanup ...
-1
votes
3answers
111 views
how find datacenter using a ip address related to that datacenter?
I have a vds and it's really good!
I have some problems with my reseller of that server because of their support.
I want to buy a server from that datacenter directly.
How can I find that datacenter ...
-1
votes
0answers
17 views
Multiple ips via vpn possible? [closed]
I am in a home where I have one public IP address. Instead of purchasing ips from my isp, is there a service where I can get ip addresses via vpn. I assume it would work in the same fashion as it ...
0
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2answers
73 views
Restrict access to website in IIS to a range of IP addresses
I'm configuring a website in IIS6 to restrict access to a customer's IP address range.
I've been given their IP address (81.145.41.114) and an IP range (172.17) which I am meant to allow access to.
I ...
0
votes
1answer
57 views
ipv6 max_addresses in sysctl.conf (Debian 6)
I'd like to assign any number of IPv6 addresses to a Debian 6 host, but I see the following setting, and want to know what are the consquences of setting higher, or does this setting approach limits ...
0
votes
4answers
107 views
IP Address blocking best way to do this (in terms of security)?
I have had a user trying to hack into my server and muieblackcat pops up on my server, quite a few times.
I just wanted to get some advice as to the best way to protect against this ie should i ...
4
votes
3answers
145 views
IPv6: Can one use more than 64 bits for the network ID
Wikipedia states:
Unicast and anycast addresses are typically composed of two logical parts: a 64-bit network prefix used for routing, and a 64-bit interface identifier used to identify a host's ...
2
votes
1answer
50 views
Giving Virtual Machines in Xen their own IP Addresses
Installed Xen on a server at home, recently moved it to a data center. Worked fine with DHCP behind my router, with each virtual server and the dom0 getting its own IP address.
At the data center, ...
0
votes
1answer
64 views
proxying ip from nginx to jetty/gwt
Good morning!
I have nginx setup in front of jetty 6, which is running a GWT application. I am trying to forward the ip address, and all the answers I find on the internet tell me to do this:
...
2
votes
1answer
70 views
Managed switch port-based DHCP allocation - general case?
I saw a strange comment bagging IT departments (i.e. sysadmins) on Slashdot the other day:
half the time they cant even do a simple thing like provide a jack with a set IP address for us
Reading ...
0
votes
4answers
126 views
Resolving real IP address out of a dynamic dns address
I recently opened a dynamic dns user (at no-ip for that matter..) for my own personal needs and especially for ssh-ing my computer whenever I need to, without knowing it's static IP.
My questions ...
0
votes
2answers
44 views
Changing IP address of current server
I have VM with IP address 10.10.10.99 how do I change the IP address to something else for e.g. 10.10.10.100 ? I have pinged to 10.10.10.100 and there is no such server in the network. Is there any ...
0
votes
1answer
46 views
How many assignable addresses are needed for a router-to-router connection?
I have an address zone (let's say 150.41.0.0/16) and I want to subnet it optimally using VLSM. I have a number of VLANs, each with a minimum number of needed addresses, and a couple of ...
2
votes
3answers
302 views
How can I find my subnet mask?
The popular answer to the question " How does Subnetting Work? " does a nice job in explaining subnets.
I remember learning about the network classes back in CCNA class but that answer mentions ...
1
vote
1answer
74 views
Does each domain have to be tied to a unique IP address when using SSL certs?
I have a Zimbra ZCS 7.1.3 server it running the OSE version. The server hosts 4 domains for email. Each of the email domains has its own SSL cert that is self generated.
Something that has sort of ...
2
votes
1answer
148 views
Can a DHCP reservation use an IP address in the exclusion range?
Windows Server 2008 R2, running the DHCP service.
DHCP Scope: 192.168.1.1 - 192.168.1.254
Exclusions: 192.168.1.1 - 192.168.1.99
If a reservation uses an IP address in the exclusion range (like ...
-3
votes
1answer
58 views
Use old server IP address to New server [closed]
Now we are going to use new server to host our website. We are going to use our old server IP address to new server. Can we replace our new server IP address by old server IP address?
If possible, ...
0
votes
3answers
146 views
Are same IP address with different submask unique? [closed]
Possible Duplicate:
How does Subnetting Work?
In a same block of IPv4 addresses, can there be same IPs with different submasks?
For example, can I have this:
180.70.65.140/26
...
2
votes
1answer
186 views
How to redirect all Internet traffic to OpenVPN Server
I have seen working solutions around the issue of forcing Internet traffic to go through the OpenVPN server but they are all done in Linux, all I want to know is how to add an entry to the route table ...
1
vote
1answer
65 views
HTTPS for server IP address shows as invalid certificate
I have a website, say www.foo.com with an IP address 1.2.3.4 I have an SSL certificate for www.foo.com and when I visit https://www.foo.com all is good. However if I visit https://1.2.3.4 it says the ...
-2
votes
2answers
54 views
Synchronize information in same server with multiple ips [closed]
So i have a unix dedicated server and multiple ips. I am running a website on both ip address.
192.168.1.0
192.168.1.1
How do i make it so the files and folders on both ip addresses are ...
0
votes
2answers
57 views
Server reverts to DHCP from time to time
I have an Ubuntu 10.04 server with static IP address configuration:
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet static
...
0
votes
3answers
145 views
Finding the first and last address of a block of IP addresses with subnet mask
I am not sure if this is the right place to make this question but I thought this is one of the most appropriate SE's site to make a question on networking. Please move it to other more appropriate ...
3
votes
3answers
157 views
Subnetting Challenges
I am trying to plan out a network with the following requirements and am having problems trying to complete a subnet plan for my network.
The network consists of 3 routers that connect 3 different ...
43
votes
7answers
2k views
How to take full ownership of an IP address?
My business is... troublesome.
What I do is legal in every country on earth, but some people don't like it, and make it so tough on my poor ISPs that I am forced to go looking for new providers more ...
1
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0answers
46 views
psad, alarm for host scanning broadcast address
I've set up psad 2.1.5-3 in Ubuntu 10.10. I keep receiving emails like this
=-=-=-=-=-=-=-=-=-=-=-= Wed Oct 19 17:26:57 2011 =-=-=-=-=-=-=-=-=-=-=-=
Danger level: [4] (out of 5)
Scanned ...
2
votes
2answers
143 views
ISA 2006 does not allow traffic using FQDN
I experience an issue accessing Tomcat running over SSL with MS ISA 2006 in front.
When I access using the internal IP address (e.g. https://10.0.42.136/...) everything works fine and ...
1
vote
2answers
202 views
How to fetch new IP address under Ubuntu Server on VMware Workstation?
I have VMware Workstation 7 and Ubuntu Server 10.10 installed on it. When I copied my virtual hard drive to another PC it took same IP address.
Is it possible to somehow receive another IP address ...
0
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3answers
105 views
A Way To Determine IP Range From CIDR? [closed]
Possible Duplicate:
How does Subnetting Work?
Is there a formula or a calculator for determining an IP address from CIDR that I was given: 38.103.17.160/27?
I would like to know the ...
0
votes
2answers
93 views
How can I make the most effective use of limited static IP addresses for a mail server?
I am running a Zimbra ZCS 7.1.2 server. The server is setup to host multiple domains, 3 at the moment. But I have a problem and I think I am over thinking the solution.
The problem is I want every ...
1
vote
1answer
104 views
Setting up reverse DNS for a /25 block of IPs
I've currently got a block of IPs that go from xxx.xxx.xxx.128/25
Here's my current rDNS setup:
$TTL 12h
$ORIGIN 128/25.xxx.xxx.xxx.IN-ADDR.ARPA.
@ IN SOA ns1.domain.com. ...
1
vote
1answer
58 views
Setting up internal and external IP
I am quite new at setting websites up to contain SSL certificates and allow them through a firewall. I am currently at step one and have been told that I need to set up an internal IP address on my ...
9
votes
3answers
290 views
Should I split my data network into 2 separate VLANs?
I am currently using 10.54.0.0 /19 for all my desktop clients and printers. We have approx 550 clients/printers.
Besides bandwidth, which is barely being utilized, are there any other reason to ...
0
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2answers
162 views
Force DHCP server to give a new IP address
i connect to the web via LAN and IPs are assigned via the DHCP server. so a simple
sudo dhclient -r
sudo dhclient
does not work. is there another way to get a new IP address from the DHCP server?
...
1
vote
3answers
122 views
DNS unavailable; IP address shared by 4 websites. How to extract numerical addresses of each website?
Preliminary note: our DNS service is down, and I have no access to the website settings; I am just a team member trying to help people who need the website right now.
Four websites share the same IP ...
-4
votes
3answers
132 views
Why most local addresses are like 192.168.xxx.xxx? [closed]
Is it some standard/practice or technical requirement which force network engineers to use this IP address pattern?
7
votes
4answers
278 views
CIDR Ranges for Everything except RFC1918
I'm looking for a list of CIDR blocks for "The Internet", i.e. everything from 0.0.0.0 to 223.255.255.255, excluding RFC1918 address space of 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16 (yes, I know ...
-4
votes
2answers
70 views
Inaccessible server after DNS server change [closed]
After configuring a domain name to use the name server of the new server, the new server had become inaccessible (even if using the IP address). Is this normal?
28
votes
4answers
2k views
Is 0.1.2.3 a valid IP address?
Are IP addresses with all zeroes in the first octet valid?
For example, can 0.1.2.0/24 be a valid subnet, with network address 0.1.2.0, broadcast address 0.1.2.255 and an usable address range from ...
12
votes
3answers
754 views
How does a computer obtain an IP address via DHCP?
How does the computer know which device on the network to query? How does the default gateway factor into this? Pretty much, what is the chain of events that occurs when a computer tries to obtain an ...
-1
votes
1answer
61 views
Which Class B address can not be used as host addresses? [closed]
Possible Duplicates:
How does Subnetting Work?
Is X.Y.Z.0 a valid IP address?
I am a beginner in the field of Networking.
Can 172.30.1.0 be used as hostID?
If not, why?
Please give me ...
0
votes
0answers
35 views
How to enable my clients use a custom domain name
I want people to be able to use a custom domain name to access an application I have hosted on my server. From what I have read, people can do this by changing the A Record of their accounts to my IP ...
1
vote
3answers
73 views
How to enable my clients use a custom domain name
I want people to be able to use a custom domain name to access an application I have hosted on my server. From what I have read, people can do this by changing the A Record of their accounts to my IP ...
4
votes
2answers
297 views
DMZ subnet: to NAT or not to NAT?
I'm looking at setting up a DMZ behind a Cisco ASA that will contain a large number of HTTP front-end load balancers and SSL offload services - over 100 IPs, concentrated on a smaller number of hosts.
...
1
vote
3answers
234 views
Any VPS providers with IP failover?
I thought keeping this list updated could be useful for others. Here are the ones I know:
Linode: http://blog.linode.com/2007/11/12/support-for-high-availability-ip-failover/
Mammoth Hosting: ...
0
votes
2answers
89 views
Should I ever configure a host with a public IP address to accept traffic from a private IP address?
I connect the 'net with a public static IP (my router's IP address for NAT) and a /29 subnet (for machines behind the router).
On my router, I have:
#sh ip route | inc x.x
x.x.0.0/16 is ...
32
votes
5answers
1k views
Is it valid to have part of an IPv4 address set to zero?
I am working on a change in a Java EE application that would authenticate based on the user's IP address using ServletRequest.getRemoteAddr. We store IP address ranges (FROM_IP and TO_IP) in a ...
1
vote
1answer
155 views
Unknown IP-address shows up in access.log
I am setting up a production environment on my VPS for a Rails app I'm working on. I have not registered a domain name yet, so what I did was just edit my local hosts-file manually. This works fine ...
