I am running an iptables firewall on an openwrt router I ve got. Which
acts as Firewall/gateway and performs NATing for my internal network -
debian PCs and android phones.
All good but specific web sites are not loading for the machines that
are sitting behind the home router.
When attempting on the browser (firefox but tried different ones) the
browser stays at `Performing a TLS handshake to bitbucket.org`. wget has
similar results:
```
wget https://bitbucket.org
--2019-12-09 22:07:32-- https://bitbucket.org/
Resolving bitbucket.org (bitbucket.org)... 18.205.93.0, 18.205.93.1,
18.205.93.2, ... Connecting to bitbucket.org
(bitbucket.org)|18.205.93.0|:443... connected.
```
When doing a tcpdump on the router side I can see some initial TCP
session establishment and then nothing: