Questions tagged [dynamic-ip]

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IP address limit

I currently work in a company running a domain on 192.168.150.# dynamic Ip assignment. We seem to be running out of private Ip address allocations. What is the limit? How could we work around this? ...
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1answer
120 views

How do we configure an ALB with Elastic IP's to only resolve to our FQD

We have a situation where we have a website, www.mamapedia.com which is accessible both by the ALB address and the Elastic IP's assigned to the ALB at any given time. This is problematic and is ...
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405 views

Using SQUID or other proxy for non-http traffic (Modbus/TCP)

I'm trying to figure out how to provide a proxy server for Modbus/TCP traffic. This is non-http traffic (industrial protocol), and usually connects to port 502. The purpose is to give remote devices ...
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1answer
34 views

Access to BIND 9 DNS view by authenticated user?

I have a network consisting of several sites. All of the sites have a static IP address, except one. For a variety of reasons it needs to have a dynamic address. Now, I have all the static sites ...
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1answer
582 views

How to configure a openvpn server static IP for hosts that have dynamic public ips without using Dyndns or some other tools?

I need to establish a SSH connection with my vpnserver. How to configure a openvpn server static IP for hosts that have dynamic public ips without using Dyndns or some tools like that. So that I can ...
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2answers
938 views

How to manage redundant ISPs with dynamic DNS

I'm trying to make my small business network a bit more robust by adding a fallback ISP. What I can't figure out is how to manage the DNS for inbound connections. A simplified view of my network looks ...
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1answer
762 views

What are our possibilities when we have dynamic IP and want a mail server behind it?

We have a connection with dynamic IP address. We have an SMTP server behind that. Q: What are the solutions to make it work in real life? The problem is the IP could change, how to put a domain ...
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1answer
183 views

Route domains to different servers on a local network, with external dynamic ip

I've been reading and learning a lot from you, guys, but this is the first time I post a question here. This is the situation: - I've got several web servers (CentOS 7 + Apache), some of them ...
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0answers
91 views

VPN between static IP address and dynamic and under NAT IP address [closed]

I have to connect two network like that: RemoteLan<-->Router3G/Firewall<-->INTERNET<-->Firewall<-->LocalLan So, I need to reach a device inside the RemoteLan from LocalLan. ...
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4answers
1k views

How do I find out linux gateway IP address?

I have CentOS 6.7 with two Internet connections eth0 - dynamic IP address and dynamic gateway via DHCP (controlled by NetworkManager) ppp0 - dynamic IP address and dynamic gateway (configured with ...
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3answers
584 views

IPTables forward to dynamic IP

I have a server running on e.g. servera.example.com and one on serverb.example.com. I want to redirect all port 80 traffic to servera.example.com to serverb.example.com, and leave all other ports as-...
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1answer
773 views

How to use nsupdate to update a wildcard dns record

So for our dev environment we have a wildcard A record for each of our developers. Having different needs (vpn vs office, etc) we allow update on the dns via nsupdate. That works pretty well but I ...
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288 views

The proper way to create a VPN tunnel with one static host and one dynamic host

Note: I have never attempted this before trying today but I knew it was possible due to research online. So I gave it a try and got it to work... I have one static host (let's call it HOST_S) which ...
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1answer
267 views

openvpn ping: packet response is done on a different (?) port

I am having difficulty pin pointing the exact location of a problem with my openvpn which is running on a Linux server, which sits behind a modem that is in turn connected to the Internet through a ...
1
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1answer
611 views

Dynamic IP address

When a server (nginx, apache) is listening on all interfaces (0.0.0.0), what happens when one of the interfaces goes down or is modified (perhaps changes the IP address), will the server still be ...
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1answer
78 views

Can I define a sub-domain for a record set at my ISP? [closed]

My ISP for home internet is giving me some kind of DNS record that lets me redirect a name to my dynamic IP address, I set something like MYNAME.go.myisp.tld So accessing that domain shows my home ...
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1answer
326 views

collectd: using dynamic IP for network plugin

I've setting up a server which collects statistics of different other servers. I'm using the network plugin of collectd, so I configured the plugin network by setting up a listener. In my network, I ...
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2answers
701 views

Safety of sshpass and SFTP to dynamic host

I have a server with dedicated IP address A and a server with dynamic IP address B (routing via no-ip.org). A uploads a backup to B via sshpass: export SSHPASS=*** sshpass -e sftp **@** << ! ...
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0answers
260 views

Sub-domain in Internal DNS reference to External Vendor site

Suppose we own the domain (example.com) & setup it into our External & Internal DNS server. And, we have a website created by our vendor using our sub-domain name (vendor.example.com). The ...
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0answers
220 views

How to configure servers on LAN to emulate no-ip.com functionality with dnsmasq and apache wildcard subdomains?

I have a multi workstation LAN with Apache2 serving a website at 10.0.0.3:80 and running on Ubuntu Linux. This LAN is segmented from another LAN via a router, from which all machines on this LAN ...
2
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1answer
1k views

Openvpn different subnet with dynamic ip using client-config-dir (cdd)

Good Morning, I need some help for a specific configuration in a server. Let's say I have two kind of people that will connect to my VPN. Pepole from Group A and people from Group B. I need them to ...
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2answers
293 views

Why does domain hosted with no-ip.org get rejected by browser's phishing filter/malware detection [closed]

I'm trying to host a tiny website on my home server (Windows 2012) and I am using a domain hosted with no-ip.org. That domain is forwarded to my server here at home, which is only hooked up to a ...
1
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1answer
3k views

Curl pressing enter or ctr+c in order to have the right response [closed]

This is a script that checks my current ip on this site: http://myip.dnsdynamic.org/ and pick the response and calls an API in order to update my dynamic ip. Here the script: curl --user <...
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1answer
430 views

apache rewritecond on dynamic ip address

I'd like to restrict access to a certain set of pages by IP address (there are only 2 or 3 people allowed to access this area). Unfortunately, at least one of those is a dynamically allocated IP ...
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1answer
145 views

Public dynamic IP address [closed]

I have buy a domain from http://www.domain.com, but i have problem updating my newly given IP address from ISP every 14h. So i know that DynDNS have this service but i dont know if it work with ...
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1answer
304 views

iptables DROP all access except my dynamic IP, is it possible and how/workaround?

If not possible, is there any workaround without affecting CPU performance? iptables -A INPUT -p tcp --dport 80 -j DROP
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4answers
5k views

How can I use dynamic IP addresses with Nagios ping check?

I currently have problems monitoring up-time of a target machine in Nagios/Icinga that uses dynamic IP address. The network is using a Windows domain controller for DNS, Icinga server is running on a ...
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1answer
2k views

Exchange Server 2010 with Dynamic IP setup - dyndns service

Novice DNS and Exchange user here. I've got a lab for a mail server - MS Exchange 2010. So here's the setup and scenario: Server IP - 192.168.13.1 (DNS /AD/MS EXCHANGE 2010) ROUTER IP - 192.168.13.2 ...
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1answer
49 views

ipv6, static for some destinations, dynamic for the rest

I would like to use a static ipv6 when accessing the company network (from other locations, eg home) and dynamic (privacy) adresses for the rest of the internet. Is that possible? Does this relate to ...
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1answer
189 views

How can i point my home server(dynamic ip) to my custom domain [closed]

I have the online linux centos server. IN my home i ahve the dynamic ip address. Is there any way that i can setup something in bash or python so that everytime i use home.myserver.com, that points ...
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1answer
2k views

How to bind a web site to a dynamic dns service?

Since our ISP doesn't provide static IP, I am using a dynamic dns service to access a Windows server from the internet, now I would like to expose a static web page to the net using a domain name ...
0
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1answer
225 views

Does RDC catch the dynamic IP when using FQDN name?

I have connected to my remote server using the FQDN machine name: server1.mydomain.com, one day later I cannot any more connect using server1.mydomain.com but I am still able to connect using the ...
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1answer
115 views

Remote desktop works only localy

Using Windows Server 2008 R2, I have configured a simple remote desktop access and IIS, then I used my external IP address to ensure that the default IIS web page is reached. I connected localy to ...
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2answers
342 views

Virtual web server in dynamic ip [closed]

I have installed centos in fedora virtualbox. I would like to create a webserver in centos. Which would resolve dns on dynamic ip. Can I do that. If i can then how? I don't have a router or static ip.
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3answers
88 views

Dealing with dynamic Amazon server

I have a VM on Amazon. Each day when I start it, it gives me a new IP like ec2-123-45-67-89.compute-1.amazonaws.com It's a Windows-based machine. I want to install some software on that VM so that ...
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1answer
88 views

How to obtain static IP? [closed]

My service provider doesn't provide me static IP unless I pay them. Is there any other way to achieve this?
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3answers
3k views

How can I understand if an IP address is dynamic or static?

I have an IP list and I have to seperate them as static ones and dynamic ones. Is there any tool or way to do that? Thank for any advice...
-1
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1answer
105 views

Accessing a Computer on a network from elsewhere in the internet [closed]

What I am trying to do is setup a Server that relays information. The Server will be on a dynamic IPAddress on a Virtual Computer over at Amazon via Amazon web hosting. My question is: is it possible ...
3
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1answer
2k views

Dynamic DNS with split horizon DNS or hairpin NAT

I would like to host a CalDAV and CardDAV server for devices that will roam between being on the LAN to outside my network (such as my iPhone and laptops). A static IP is prohibitively expensive. I ...
-2
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1answer
179 views

Getting a url that always points to my dynamic ip address [closed]

For work im sharing my computer at home with a colleague who can connect to it over ssh.But the problem is that i have a dynamic ip address, so i have to tell him what it is everytime. I have heard of ...
0
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1answer
595 views

Can I use my Linux BIND9 server as a dynamic dns provider for IPsec tunnels?

I am curious if I can use my BIND9 server to provide dynamic dns for a couple IPsec tunnels I want to setup. 2 of the endpoints have dynamic IP addresses, the "main" endpoint is a static address. I ...
4
votes
3answers
11k views

DNS A record with dynamic ip

My hosting provider (amen.pt) told me I can keep my e-mails and webmail hosted with them and host the website elsewere. For this to work I need to change the DNS A record 'www' to the IP of the other ...
3
votes
3answers
990 views

Use Nagios(or alternative free product) to monitor uptime of 50+ remote machines with dynamic IP addresses

I'm trying to monitor the uptime of 53 remote windows machines, all at separate locations. These are all behind cheapy consumer level routers of various makes, and they all have dynamic IP addresses. ...
0
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1answer
237 views

How do I use dynamic-DNS in environment like this?

I'm really new to networking. I have somewhat nice internet connection(in my standards, that is). But I can't configure the router. (The internet connection is not mine, and its settings page is ...
0
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1answer
67 views

windows 2008 remote access, a better way to open FW for dynamic IP

I need to access to a remote SQL-Server database on a Windows 2008 Std Server. The administrator told me they can open my IP on FW but, I have a dynamic IP. Do you know another simple way to access ...
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5answers
9k views

Can't connect to internet with dynamic IP

I have a small business network with the DNS server being run on Windows Server 2003. Most of the computers in the company have a dynamic IP address assigned through the aforementioned server. One of ...
0
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1answer
244 views

Building test environment inside Hyper-V - Adding machines into a Domain

I am currently building a test environment with 4 servers inside Hyper-V. One of the servers is a Domain Controller, the other servers will be a member of that domain. All machines are on an ...
0
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1answer
253 views

Determine server IP address in SaaS application

I have multiple clients (mobile and web) that need to connect to my application on the cloud using web services. How do I specify the IP address of the server in my client code? Another query is - if ...
0
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2answers
100 views

Connect to the server which its ip is dynamically assigned

I'd like to develop the app which run on a mobile phone. It acts like a server which is able to be accessed from the PC app which will request for the mobile info such as the GPS coordination. The ...
5
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4answers
1k views

Dynamic DNS for Shared Hosting - Does it exist?

It seems that certain home router firmware is designed to work with Dynamic DNS services (e.g. noip & dyndns) to serve a subdomain from a server behind a consumer ISP. On a similar note, are there ...