Maybe you can arrange something for port 25 outbound on
network level? ACLs on the routers which actually route the traffic to
the internet.
Wido
>
>
> On Tue, Feb 9, 2021 at 3:49 PM Wido den Hollander wrote:
>
>>
>>
>> On 2/8/21 9:14 AM, Hean Seng wrote:
wrote:
>
>
> On 2/8/21 9:14 AM, Hean Seng wrote:
> > Hi
> >
> > Is that possible to have default block rules for all the VM, Default
> Block
> > SMTP outbound port in iptables
> >
>
> We did this by changing the security groups. Egress we only allow:
&
On 2/8/21 9:14 AM, Hean Seng wrote:
> Hi
>
> Is that possible to have default block rules for all the VM, Default Block
> SMTP outbound port in iptables
>
We did this by changing the security groups. Egress we only allow:
- TCP 21 and 22
- TCP 26-65534
This way VMs can con
yes, this is something you can configure on firewall (Isolated network) or
ACL (on a specific VPC Isolated network). Check the documentation on
ACL/firewall.
On Mon, 8 Feb 2021 at 09:15, Hean Seng wrote:
> Hi
>
> Is that possible to have default block rules for all the VM, Default Blo
Hi
Is that possible to have default block rules for all the VM, Default Block
SMTP outbound port in iptables
Thank you
--
Regards,
Hean Seng
