but if user able to login to Cloudstack, they can edit the security gorup themself right ?
I am thinking there is some rules that always highest prioity not editable by user. or may only editable by admin Mainly worry for this is spammer On Tue, Feb 9, 2021 at 3:49 PM Wido den Hollander <[email protected]> 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: > > - TCP 21 and 22 > - TCP 26-65534 > > This way VMs can connect to port 25 outbound and thus not send e-mail. > > Wido > > > > > Thank you > > > -- Regards, Hean Seng
