Refers to the 4th revision of the Internet Protocol, where addresses are usually displayed in the form: 192.0.2.235

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4
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1answer
89 views

VirtualBox not allowing me to modify IPv4 Network Mask?

I use Oracle VM VirtualBox to run a web server on my machine. I had it set up and working perfectly for a while. For the past few months it's been prompting me to update, and I finally gave in and ran ...
3
votes
1answer
328 views

Can I prioritize IPv6 traffic over IPv4 traffic on Linux?

Is there a way I can give traffic over IPv6 a higher priority than traffic over IPv4? Purpose is 2-fold: Promote IPv6, and be able to connect even when my server is swamped by IPv4 users.
2
votes
1answer
458 views

Can't added back my client for microsoft networks in Windows 10

I can't open network shared folders. Got to looking at my NIC properties, and I found that I was missing everything buy IPv4 and IPv6. So I started to try to add back to client, and protocol. I can't ...
2
votes
1answer
1k views

Why is my computer suddenly using NBNS instead of DNS?

I have a Windows 7 laptop which I regularly use to access wireless internet when traveling. Normally, everything connects and functions as expected, but as of 4 days ago, I have noticed that I am ...
2
votes
1answer
457 views

Prefer IPv6 over IPv4 in Windows Server 2003

I am running Windows server 2003 and my Firefox browser keeps using IPv4 instead of IPv6. Well at least http://ipv6-test.com/ says that my browser uses IPv4. How can I force it to prefer IPv6 over ...
1
vote
1answer
273 views

ssh from IPv4 to IPv6

I have been trying to reach, using ssh, an IPv6 server from a IPv4 (only) client, but am having no success. Both systems run ubuntu 12.04. I am aware that ipv4 and ipv6 are different protocols and ...
1
vote
1answer
1k views

IP, Gateway and DNS changer [.bat Win7]

I have a batch file that I use on my WinXP SP3 (I found it on the net and it worked). SWiTCH TO CONNECTION 1 @ECHO OFF set varip=192.168.0.118 set varsm=255.255.255.0 set vargw=192.168.0.1 set ...
1
vote
1answer
867 views

strange characters in DNS Suffix

I have some strange characters in my DNS Suffix. I have removed these strings from registry and attempted to fix this in many other ways. Does anyone here have an idea of what I could do to fix this. ...
1
vote
1answer
169 views

Unexpected IPv4 address when pinging machine on home network

Set-up I have three computers on a home network. No domain, just using Windows "workgroup" functionality. I'm using Input Director from a desktop Win7 PC to control two laptops (one Win7, one WinXP) ...
1
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1answer
247 views

Automatic ipv4 interface metrics algorithm?

Here is the link in reference http://support.microsoft.com/kb/299540 .Is there anything similar for windows 7 ?
0
votes
1answer
418 views

Any way to create OpenSSL certificate request that would be valid for two IP addresses?

I have a private app running as a webserver on a machine on an isolated wifi router using 192.168.1.*/255.255.255.0, with no DNS capability & no upstream Internet; basically, only local wireless. ...
0
votes
1answer
210 views

Access IPv6 home server remotely (also from IPv4 networks)

I have an ISP that uses IPv6 and I want to set up a home server running windows server 2012 essentials and access it remotely using the remote web access feature. is this feature capable of IPv6? and ...
0
votes
1answer
458 views

Access IPv6 server via IPv4 tunnel?

I am an installer for an ISP here in Alberta Canada. They recently launched LTE but are doing double NAT on IPv4 so accessing a server from the outside world isn't possible via IPv4. They do however ...
0
votes
1answer
99 views

Ipv4 properties tab greyed out

I am facing this problem of IPv4 and IPv6 properties tabs greyed out and not able to change the settings of the same. I have tried many solutions given online such as netsh commands and antivirus and ...
0
votes
1answer
65 views

Using DNS to forward to a specific local address and port?

Im running a server on a local address, a raspberry pi at x.x.x.111:64738. I own a domain, mydomain.nu. I want to create a subdomain (the hosting provides a cPanel interface) and forward it to my ...
0
votes
1answer
331 views

Windows 7 Home Premium cannot connect to internet via wireless or ethernet connections

I have an HP laptop and I cannot connect to the internet even though it says "Internet Access". When I try I get "Cannot access page", then the browser closes and searches for a solution that results ...
0
votes
1answer
2k views

Cant ping to computer but reverse ping can

So Computer 1 can ping to computer 2 but reverse it can't Setup : router A (192.168.0.xxx) 255.255.255.0 > Router B (192.168.1.xxx) 255.255.255.0 So computer1 on Router B can ping to computer2 on ...
0
votes
1answer
553 views

How to route to public IP addresses from NAT where gateway is in subnet of target public ip addresses

I have the following scenario which is giving me fits. I have a block of IP addresses on a .248 subnet. The service is Comcast, and the modem uses IP addres ending in .246. On the router for my ...
0
votes
1answer
452 views

Setup IPv6 over IPv4 tunnel in VPN

Let me explain my szenario: I have a linux server A. A is reachable in a VPN. So if I am connected to the VPN over Internet I can successfully ping A. Server A is connected to a Router B. Router B ...
0
votes
1answer
52 views

Obtaining Iptables info using a script

I have an iptables rule and I have to write a script that gets the numbers of packets and bytes target for that rule. I know that that command iptables -L -v -x shows that info, but I don't know how ...
0
votes
1answer
124 views

IPv4 address to Netmask mapping and Multiple default routes feasibility?

We have, Class Range NetMask Bits Bits hosts# ---------------------------------------------------------- A 0-127 255.0.0.0 8 24 16777216 (i.e. ...
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0answers
34 views

How does AWS convert an IPv6 address to an IPv4 address when whitelisting “My IP” address

I recently had to whitelist my IP address in an AWS security group using the "My IP" option. It worked perfectly and displayed an IPv4 address, but when I looked up my IP address with Google I got an ...
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0answers
39 views

ipv4tov6 address translation in windows7

I have a windows7 PC connected to a IPv6 network. On the PC I have an application that needs to communicate with another IPv6 machine. The application can only be configured with an IPv4 address. Is ...
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0answers
101 views

Why doesn't my DNS change propagate within the TTL?

Why isn't my DNS propagating correctly? It has a TTL of 3600 seconds, 1 hour, yet it is still resolving to an old IP. It's been at least 10 hours! http://www.onlinedig.com/go-dig/ C:\>nslookup ...
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0answers
59 views

Failed Wireless

Sorry i'm not good with computers so my tech. talk is limited. I have a presario CQ62 Notebook PC. 64 bit: Yesterday I went to the local Library to use some free internet. When I returned I could no ...
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0answers
2k views

No DNS requests in Windows 7, nslookup works, ping and tracert can't resolve

I was trying to bring my old desktop computer back from the dead and faced a problem I couldn't deal with. The main issue is what I've written in the title - nslookup works, ping and tracert give a ...
1
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0answers
105 views

How do I configure NAT to forward external requests?

I have three Raspberry Pi's connected to Linux machines and one computer (also a Linux machine) connected to a router which is connected to the Internet. My goal is to configure each Raspberry Pi and ...
1
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0answers
804 views

IPv4 not enabled in Windows 7

I have a Netbook with Win 7 Starter edition. I am not able to get IPv4 enabled/installed in the Netbook and hence not able to network/connect to Internet. It says "Limited access" when I check ...
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0answers
454 views

When and why does Gateway Metric become equal to Interface Metric ? (Windows network Adapters)

netsh interface ip show address .... command reveals some information about the gateway and interface metrics of each type of adapter . However the gateway metric seems to alwyas change and sometimes ...
0
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0answers
7 views

VPN Connection: Draytek Vigor 2820 Cannot Initiate IPSEC Tunnel

I have been asked to setup a site-to-site IPSEC VPN Tunnel from a Vigor 2820 (at the client's premises) to a Cisco ASA 5505 (hosted at Rackspace). I have input all of the details that Rackspace had ...
0
votes
0answers
27 views

no internet connection windows server 2012 setting up remote desktop connection

I'd like to setup my Windows 2012 Server so I can Remote Desktop Connection from my client (Windows 10) with the static IP that I'm going to give to the server. (So not through a site). After having ...
0
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0answers
34 views

Ping: General Failure

I am facing a weird issue on my laptop that only Internet Explorer can access internet no other application, not even chrome, iTunes. When I try to ping any website I get an error. When I ...
0
votes
0answers
30 views

TTL in ping reply set to 128

I'm using the ping command to ping google.com, and can't understand why am I getting TTL of 128 in the response. ping www.google.com PING www.google.com (172.217.19.196) 56(84) bytes of data. 64 ...
0
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0answers
19 views

PPTP VPN issue, multiple platforms

Using PPTP VPN for multiple clients, I've seen an interesting issue on Mac OSX El Capitan, and Windows 7 and 8. For clients connecting from home using a subnet that is identical to the internal subnet ...
0
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0answers
10 views

GNU/Linux ping: Disable timestamps

I'm using ping utility, iputils-sss20101006. The -s 100 option causes the ICMPv4 packet to have an 8-byte timestamp and 92 bytes of random data. Therefore all Echo and Echo Reply packets include an ...
0
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0answers
68 views

IPv4 or IPv6 for local DNS server?

I am a bit inexperiencied with networks. I have set up and dns server in a virtual machine on Debian 8 using dnsmasq. To test if it was working, I gave it only one record: www.facebook.com with ...
0
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0answers
298 views

Assign static IPv4 to specific MAC address

I am trying to assign same IPv4 to few devices every time they connect to wi-fi AP. I use Zyxel NWA3560-N. I think that there should be option to set static IP on every device and block assigning ...
0
votes
0answers
378 views

Just upgraded to HughesNet Gen4. Have IPv6 access but not IPv4 access on my wired network.

We just upgraded to HughesNet Gen 4. Now our wired network only works partially. We can access wireless (which runs through our wired switch). The Wired network says IPv4: No Internet Access. IPv6: ...
0
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0answers
168 views

windows 7 prefer ipv4 over ipv6

I have ATT Uverse for my internet. A few months ago we had problems and they installed a new router. All of a sudden google and facebook are using ipv6 and are getting horrible performance, they ...
0
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0answers
115 views

directed subnet broadcasts with openwrt

I've got a wireless router with openwrt 14.07 that acts as a router (not a bridge) between the local ethernet subnet (eg. 192.168.1.0/24) and a wireless network (eg. 192.168.2.0/24). I would like to ...
0
votes
0answers
172 views

Nslookup works but ping fails

I've recently ran into this weird problem where the domain names fail to resolve from DNS. When I try to ping google.com, I get ping request could not find host google.com, but nslookup returns the ...
0
votes
0answers
259 views

Disabling IPv6 DNS resolution on client only to a specific domain

I have a Windows 8.1 machine, from which I want to connect to my company's extranet. However, I can't connect to it from my domain-joined laptop when it's at home, though I can from a work, or a ...
0
votes
0answers
230 views

Make socat listen on both IPv4 and IPv6 stacks

Switched providers the other day, they only assign DSlite-connections. I'm fine, I thought. Thing is - I want to access some of my stuff from outside of my network, which should be of much less a ...
0
votes
0answers
278 views

Default Gateway address for multiple VPN users/clients

We need some help with a VPN setup for a school project. What we want to do: We would like to have approx. 10 different VPN uses that can connect to our Windows Server 2012 R2 which is setup as a ...
0
votes
0answers
1k views

CentOS 7 can't get IPv4 address from DHCP server

I have classroom full of computer running CentOS 7 and only one computer can't get IPv4 address from DHCP server during boot, because NIC is not yet up, when dhcp client tries to get IPv4 address from ...
0
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0answers
57 views

windows 7 has ipv6 connectivity but not v4

My wife's windows 7 laptop had network connection problem out of the blue yesterday. It can access google sites like youtube, but nothing else. When I troubleshoot, I found that it has IPV6 ...
0
votes
0answers
87 views

Dilemma about how my wireless devices obtain IP address

Currently in my network there are 7 wireless outdoor equipment and 1 switch . This switch act as backbone switch for my network as internet supply from ISP is connected to this switch. Through this ...
0
votes
0answers
3k views

Default Gateway IPv6 but IP set on IPv4

I have a client who has a network setup. I have a couple of devices which work on the network using socket communication which I want integrated onto their network. There is a PC which is to be made ...
0
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0answers
33 views

Win8.1 machines have trouble browsing each other occasionally

I've got two Win8.1 machines. One is a desktop connected to the (dd-wrt) router through an ethernet cable, the other is a laptop that connects over wifi. Both can ping each other just fine through ...
0
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0answers
392 views

Windows 7 64bit, great signal strength IPv4 & IPv6 can't connect

For some reason I can't connect to the internet with my wireless card (internal) on my PC, I am connected just fine on my laptop. It says my signal strength is good but both my IPv4 and IPv6 can't ...