All Questions
46 questions
2
votes
1
answer
62
views
DNS issue on Rocky Linux 8 between virtual machines
I have a setup with 3 virtual machines running Rocky Linux 8:
VM1 is connected to VM2 and connected to NatNetwork
VM2 is connected to VM3.
Ping works in all directions using IP addresses, so IP ...
- 23
1
vote
2
answers
92
views
Is it posible to have NAT with FQDN on ATP700
I have a Zyxel ATP700 and one static external ip with a subdomain
We would like to know if it is posible to have a nat rule that filters incoming trafic by it's FQDN instead of the ports.
See image ...
0
votes
1
answer
45
views
Can you forward custom domain traffic to an ip address that is behind a NAT?
I do not know much about this topic so any help would be appreciated. I live in university residences and the internet connection that is provided to us is hosted by Wifinity networks. I run a media ...
0
votes
1
answer
1k
views
I have two subnets created with openwrt. how can i set up NAT hairpinning from first to second network?
I have created on OpenWRT 3 different network interfaces. WAN for internet, LAN for my personal network, and MANAGEMENT for my hosted servers. These two networks are seperate. seperate DCHP, DNS, etc. ...
- 1
1
vote
1
answer
687
views
Dynamic DNS NAT for IPv4 and AAAA for IPv6 - is it possible?
I have a router named alice, and servers named bob and charlie. I want to be able to use IPv6 to go directly to alice, bob, or charlie, and I want IPv4 to continue to work, giving me alice's address ...
- 717
1
vote
0
answers
543
views
Public IP configuration on Home router ( TP-link 940N)
I got 196.188.173.32/30 ip adress from my ISP with the following configuration.
Wan ip : 10.126.10.158/29
Gateway : 10.12.10.157
Lan Ip : 196.188.173.32/30
I have configured the router per the ISP,...
- 111
0
votes
1
answer
182
views
How to make DNS record differ inside and oustide the network
I am trying to allow access to our NAS from inside and outside our SOHO network. I have setup a public IP with DDNS, setup the NAT so it let through :80 and :443, and I can access my NAS from outside ...
- 101
0
votes
3
answers
3k
views
How can I set up domain-name-access to home server using cloud server with public IP and VPN?
srv_pub srv_target
+-----------------+ +---------------------+
Internet | VPS | VPN 10.8.0.0/24 | HOME SERVER |
-------...
- 171
0
votes
1
answer
742
views
Secure DNS, NAT, DSNMASQ, and local addresses
My home network consists of an ISP supplied router, a Raspberry PI providing DHCP, DNS with dnsmasq, including local addresses behind NAT. Some weeks ago, I noticed that when I tried to connect to my ...
- 103
0
votes
2
answers
205
views
How do hosts inside a private network using the 10.0.0.0/8 address space know each others IP?
Normally to obtain an IP address DNS is used, but since DNS won't work in this case, how will they find the IP address of another host inside the same network?
- 143
0
votes
1
answer
2k
views
Gateway Issue - "ping" works, "curl" not
We have a [S]SRV_GATEWAY server with two NICs ([I]WAN/INT_LAN and [I]PRIV_LAN) configured as GATEWAY, DNS and DHCP for a private network ([N]PRIV_LAN).
The server [S]SRV_GATEWAY accesses the internet (...
- 1,284
0
votes
0
answers
944
views
Dynamic DNS and URL really slow to load from the internal network
I have a Docker Nextcloud instance running on my PC where I configured it in a way that the application server running upon it points to https://myid.duckdns.org:1234.
Of course the duckdns.org client ...
- 283
0
votes
1
answer
35
views
How does a cloud NAS manage to be accessed from the outside of a LAN through an app?
I have a cloud NAS within my home network and I can't figure out how it manages to be accessed from the outside through an app. How does the app always know at what address requests should be sent, ...
- 3
0
votes
0
answers
275
views
DNS and Web Local Servers and NAT
I'm doing a scenario about DNS and NAT in Packet Tracer:
As shown in the image, I write a default route and NAT on Router1. I want to request www.apfz.ir from the PC1 browser through the Internet or ...
1
vote
1
answer
211
views
Routing flow when addressing the router by public IP in it's local network
I am running a RPi Server in my local network. In my router I have exposed the ports 443 and 80 for this server as it's running ownCloud and I want to access it from everywhere.
I'd like to know how ...
- 11
0
votes
1
answer
2k
views
VirtualBox Network Adapter/DNS Issues with Wi-Fi
I am experiencing a very weird issue with VirtualBox.
Most of the time, my laptop is hardwired to an Ethernet connection. Occasionally, when I'm away from my desk, I have no options besides Wi-Fi. ...
- 2,576
0
votes
0
answers
71
views
Can access my DNS host from external network, but not within LAN
Basically, as in title.
This is on Advanced Tomato firmware.
NAT Loopback is configured. Currently as "Fowrward only" (there is a port forwarding rule as well). However, was trying to put "All" and ...
- 101
-1
votes
1
answer
40
views
How does DNS know which machine on my router to talk to?
I have a server that is accessible via ssh at foo.university.edu, and my workstation is on the same router (which has a decent hardware firewall). When I check my workstation's public IP, I find it is ...
- 111
1
vote
0
answers
2k
views
No Internet connection inside Docker container (not NAT / DNS issue)
Good morning,
As said in the title, I have problem with Docker : there is no internet connection for my Laravel App inside Docker.
It is not a DNS or NAT masquerading issue, I've already checked ...
- 11
1
vote
2
answers
4k
views
Change DHCP server from ISP modem to network router
I have an ISP provided DSL modem/router (Archer) that is currently configured as 192.168.1.1 and acts as the gateway, DHCP server, and the DNS settings are also stored there. I also have my own ASUS ...
- 1,085
0
votes
0
answers
217
views
Using OpenDNS on my local NAT to resolve specific domain
My home router, a ZyXEL C2100Z, does not support NAT loopback, which leaves me in a bind when trying to access a site from my iPhone that I am serving publicly from a server within my home network.
...
- 333
1
vote
0
answers
647
views
Which IP as dns server for vmware nat config?
Unfortunately I don't seem to understand how NAT on vmware works, so I'll start by describing my setup:
Vmware guest with a linux system, ie fedora.
It has a static ip configured from the NAT ip ...
- 311
0
votes
1
answer
2k
views
NAT loopback and DynDNS
I've successfully configured DynDNS in my router and now I'm able to reach my home server from outside my local network using my custom domain.
Using the very same domain I'm able to reach my home ...
- 103
0
votes
1
answer
94
views
Why does Huawei Netcube appear as DNS server to a MacBook
I'm operating a MacBook (with macOS 10.13.6) at home. My internet connection is thru a Huawei Netcube E5180s-22.
When I inquire my DNS configuration with scutil --dns I get this (192.168.8.1 is the ...
- 125
1
vote
0
answers
435
views
Virtualbox guest in NAT mode cannot access hosts by name on the local network
I have a virtualbox guest in NAT mode which cannot seem to resolve hosts on the local LAN. I can get to them by IP, but not by hostname. I realize that switching it into bridged mode would probably ...
- 11
1
vote
1
answer
842
views
DNS hijacking workaround while still using local DNS server
I have a Mikrotik router (RB750) and my ISP uses transparent DNS proxy to hijack any DNS request to their server regardless of our chosen DNS. I have since found a workaround by dst NATing port 53 TCP ...
- 11
14
votes
3
answers
132k
views
How to access server running in VirtualBox from the host?
I am running a web app on the VM.
I can see the app at localhost:8888 via a browser from within the VM.
I cannot see the app from the host at the same URL. That is the goal.
I tried VBoxManage ...
- 243
1
vote
0
answers
2k
views
Creating a poor man's DNS/name resolution with VirtualBox NAT network
I am running VirtualBox 5.0.22 on Windows 10 Pro (mikaw10) as host and have set up the following systems all with one NIC and a NAT network called unix-machines:
Ubuntu 14.04 LTS 32 bit (ubuntu1404)
...
- 69
4
votes
1
answer
369
views
How to obtain the proxy resolver configuration of a Virtualbox VM
Virtualbox provides two configuration flags to modify the DNS behavior of the NAT engine for a virtual machine:
VBoxManage modifyvm "VM name" --natdnsproxy1 on
VBoxManage modifyvm "VM name" --...
- 666
1
vote
1
answer
519
views
IIS doesn't work when RRAS with NAT is enabled for VPN
I have a windows server 12 dedicated server and I use it mainly for hosting my websites, but I want to set up a vpn on it so that I can browse internet through it (my college restricts a lot of ...
- 11
2
votes
3
answers
5k
views
Running DNS Server to circumvent NAT-Loopback issue
First I want to say that I probably read everything that there is on the internet regarding the problem.
And the problem is that I can not access my owncloud over doc.selfhost.eu if I am in the same ...
- 21
0
votes
1
answer
2k
views
Is NAT loopback the only reason I can't view my own website from within my LAN?
I am new to this so apologies if this is the wrong place for such a question.
I'm testing out a simple "hello world" website hosted at home. As we have not been assigned a static IP address by our ...
- 1
0
votes
3
answers
439
views
Routing to sub network with local DNS
Short and clean question
We has domain that can be resolved and accessed from internet as ip. On host with that ip we has NAT and virtual machines that hidden behind that NAT. How can we give access ...
- 123
0
votes
0
answers
301
views
Why can't my second router (in DMZ) automatically find DNS settings?
I'm trying to set up my own router after the ATT modem/router combo. There is no bridge mode to bypass the ATT router.
So I set up the DMZ to point to my personal router and wasn't able to get any ...
- 103
0
votes
1
answer
1k
views
Accessing web service on routed (without NAT) network
I have network topology where I use two routers: R1 and R2. R1 has NAT enabled because my ISP allows only to connect one IP. R2 has NAT disabled because I'm planning to extend my network in the future ...
- 759
2
votes
1
answer
148
views
Custom nameservers over wifi hotspots with initial web login
I have built a portable router using a raspberry pi. My setup works, unless I connect to a hotspot that requires some kind of web based login.
After some investigation, I think I've tracked it down ...
- 255
2
votes
1
answer
846
views
IPv6 only LAN with NAT64 router for Internet
I want to disable IPv4 on my LAN and run only IPv6. I will use a NAT64 Juniper firewall to provide Internet access since I only have IPv4 Internet.
Will this break applications? Will I be able to ...
- 466
0
votes
1
answer
594
views
Computer only accesses the internet when using a static DNS ip
My setup is wall-> Zyxel p-870h-51a VDSL2 modem -> DD-WRT router.
The issue is that the modem has connected to the internet, but the computer is unable to.
This is resolved if on the individual ...
- 1,440
3
votes
4
answers
1k
views
Use single static IP for multiple machines
I currently have a DSL modem at home that has a static IP (say 77.77.77.77).
This modem is connected to a wireless router which has a few machines connected to it.
For sake of simplicity, from now ...
- 207
1
vote
0
answers
3k
views
How to configure AirPort Extreme as the DHCP/DNS/NAT server where DSL modem/router does them?
I have an AirPort Extreme BS and a modem/router (ISP's NetMaster). I want to host my own websites from my Mac Mini with OS X Server. At the moment, ISP's router is the DHCP/DNS/NAT server, and AirPort ...
- 11
2
votes
2
answers
16k
views
How to use DNS server behind NAT router
I have a local DNS server that I want to use, but it's behind a NAT router. For all other servers that are behind that router, I simply have an appropriate forwarding rule enabled in the router. ...
- 327
0
votes
2
answers
385
views
How do I put a computer outside of a NAT, giving it a separate IP address?
I have two servers running behind my D-Link DIR-655 NAT router. Obviously, I cannot allow outside access to both of them simultaneously without putting them on different external ports, which I don't ...
- 1
2
votes
1
answer
3k
views
Subdomains for server behind NAT
I have server (ip: 192.168.1.2, openSUSE 12.2, Apache 2) behind router (ip: 192.168.1.1, TomatoUSB Toastman Build). I'm using FreeDNS (afraid.org) and I assigned subdomain (say x.afraid.org) to router,...
- 220
20
votes
2
answers
8k
views
How will home networks work in the IPv6 world?
Right now, I have a home network setup behind a Netgear router. That router has a public IP address I get from Comcast. I also have a computer setup on my home network running Linux that runs a DHCP ...
- 4,030
3
votes
1
answer
123
views
How can I view different internally hosted websites, set up as virtual hosts?
I have an old machine that I've converted into a web server. I'm wondering what the best way to make the websites viewable on the internal network, without using a proxy.
I experimented with BIND, ...
- 365
0
votes
2
answers
3k
views
Redirect subdomain to internal IP
I have a Fortigate 80C at home and have a number of servers hosted: mail, git, web, RDP, voip etc.
Now I want these subdomains to redirect to certain internal IPs:
mail.domain.com > 192.168.0.200
...
- 103