Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [dynamic-ip]

82 questions
1
vote
1 answer

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 before the changing IP? DynDNS like solutions... I…
pepite
  • 111
  • 3
1
vote
1 answer

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 vitualized with KVM and one physical, running in a local…
Damon Hill
  • 77
  • 2
  • 13
1
vote
4 answers

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 rp_pppoe) I want write script which will change the…
snex
  • 191
  • 2
  • 8
1
vote
1 answer

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 accessible if one has set up a dynamic dns? Does it…
automaton
  • 113
  • 4
1
vote
1 answer

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 can use the private IP for "Server" in the…
Christopher Lorenz
  • 21
  • 6
1
vote
2 answers

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 **@** << ! [..] put [..] bye ! Every time now on (A)…
Alexander
  • 277
  • 2
  • 8
1
vote
1 answer

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 that I just registered (ie: mydomain.tld not…
Sami-L
  • 253
  • 2
  • 6
  • 17
1
vote
2 answers

Using OpenVPN with the concentrator being on a dynamic IP

Is it possible to use both the OpenVPN and DynDNS services together? Would you advised against it for any reason (security, performance, etc.)? I am using DynDNS for my dynamic IP. Will OpenVPN work with a dynamic IP?
Stewart Robinson
  • 1,155
  • 4
  • 12
  • 24
1
vote
3 answers

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...
ibrahim
  • 431
  • 1
  • 7
  • 20
1
vote
5 answers

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 the Windows 7 computers has difficulty connecting…
shagism
  • 105
  • 1
  • 3
  • 8
1
vote
5 answers

Free Dynamic DNS Nameservers

I recently set up a server that I want to use as my primary hosting platform. So far, I've mapped some domains to it by setting up A records for them that point to my dynamic IP. As my IP can change randomly and without notice, however, I'm afraid…
Maxim Zaslavsky
  • 211
  • 1
  • 4
  • 13
1
vote
3 answers

Simpler way to secure port 22 from my "dynamic" ip?

My home internet has a dynamic ip and seems like it changes sometimes almost every day. I'd like my server to be as secure as possible, so right now I could deny all for port 22 except from my ip address. I can see this getting rather annoying to…
Matthew
  • 1,859
  • 4
  • 22
  • 32
1
vote
3 answers

Cisco ASA Hairpinning with Dynamic IP

I currently have my Cisco ASA 5505 firewall configured to forward port 80 from the outside interface to a host on my dmz interface. I also need to allow clients on my inside interface to access the host in the dmz by entering the public ip / dns…
Joseph Sturtevant
  • 1,274
  • 3
  • 15
  • 17
1
vote
1 answer

AirPort for WiFi, DLINK for hardwired

sorry in advance for such a basic question... I have the following daisychain: Phone Socket <-> DSL modem <-> AirPort Extreme <-> DLINK 4 port hub I followed only the very basic setup instructions for both AirPort and DLINK. AirPort is successfully…
KnomDeGuerre
  • 13
  • 2
1
vote
5 answers

How necessary is a static IP when running a webserver from home

I'm considering hosting at home not through a third party. Some of the content will be software that need to run reliably 24/7. Currently I buy the domain then redirect it to the IP of my webhost, so I'm guessing that IP has to be static. But when…
coop
1
2
3 4 5 6