GitHub user daniftodi added a comment to the discussion: [Architectural]
SystemVMs using public DNS server
Version: 4.2.0.0
What I observed so far:
- It is missing a default route, it doesn't have access to the internet by
default, is this ok?
In order to be able to download templates I added a `default` route manually,
how can I make it permanent?
```
ip route show
default via 10.1.0.1 dev eth1
10.1.0.0/24 dev eth1 proto kernel scope link src 10.1.0.145
169.254.0.0/16 dev eth0 proto kernel scope link src 169.254.185.27
```
- Storage VM is dropping output `http` and `https` traffic?
```
iptables -L OUTPUT -v -n
Chain OUTPUT (policy ACCEPT 1280 packets, 197K bytes)
pkts bytes target prot opt in out source destination
7 364 REJECT 6 -- * eth1 0.0.0.0/0 0.0.0.0/0
state NEW tcp dpt:80 reject-with icmp-port-unreachable
4 208 REJECT 6 -- * eth1 0.0.0.0/0 0.0.0.0/0
state NEW tcp dpt:443 reject-with icmp-port-unreachable
````
- Even in documentation it is specified that port `3922` can be used to connect
to instances using `ssh`, the `ssh` service is disabled by default.
GitHub link:
https://github.com/apache/cloudstack/discussions/10352#discussioncomment-12254792
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