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Best practice to share host NAT interface to Docker containers

Our bare-metal virtual machines are behind a NAT for firewall and security, so basically each machine has a 192.168.x.x interface and connects to the internet via the gateway. On machine Web we run ...
Shayan's user avatar
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1 answer
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Can't get Python with cx_oracle to connect outbound to Oracle server

When I inherently go to make the connection from the python app inside the docker file I get .. I can ping and nslookup from indide the docker container from the terminal....so I'm a bit confused.. ...
BostonMacOSX's user avatar
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How to configure docker with pihole for recursive DNS?

I am running Ubuntu 22.04 LTS server for my server where I use Docker to run various applications. Afterwards I installed unbound and Pihole for Recursive DNS. I changed the Nameserver in the host ...
RitZz's user avatar
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2 votes
3 answers
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How to generate a list of every external URL accessed during docker build?

Is there a straight forward way to generate a .txt file containing each URL (or corresponding IP) visited during a docker build process? Example An example list might look like this: # urls.txt https:/...
stevec's user avatar
  • 185
2 votes
1 answer
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How to link containers in a "icc=false" bridge?

I'd like to connect several services with a reverse proxy. But the services can't communicate with each others. I'm using a compose file for each service. I'm trying to use the same external bridge (...
Guix555's user avatar
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1 vote
1 answer
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How can you map DNS/host names to their IPs at scale?

We're trying to look at a fairly large httpd config and find the all the IPs/ports we'd have to allow through a new firewall. Ports are easy, but resolving all the DNS names to the (multiple) IPs they ...
John Humphreys's user avatar