No i dont got IDS installed as you told i am running Attack detector already.

Thanks

If you run it, the IDS is quite processor intensive and can only run on a single core. See what happens if you disable that as well. If it helps then consider if the firewall and, Attack Detector (fail2ban underneath) are good enough without the IDS.

Well i disabled Bandwidth and QoS Manager and i had archieved better results i should have 950Mbs/500Mbs but it is home subscription and not guaranteed.

Ping 2.919 ms

Downstream 793220 kb/s

Upstream 437370 kb/s

Thanks for you help

Ervin

yes, i didn't had that app i just installed and set as you told and the issue with webpages are gone, i had set only for ipv4 should i set for ipv6 also? Btw it seems that now i am not able to have the same speeds:

Ping 3.906 ms

Downstream 599290 kb/s

Upstream 291780 kb/s

before it was ~800Mbs / ~450Mbs

can you help me how to test your other suggestion?

Ervin

It looks like you didn't add the firewall rule. In the Custom Firewall, add:

$IPTABLES -t mangle -I FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu

Well what i had tried i edited the /etc/sysconfig/network-scripts/ifcfg-ppp0 and put inside

LINUX_PLUGIN=/usr/lib64/pppd/2.4.5/rp-pppoe.so

but after it had started all sorts of strange things, internet website were and weren't reachable could be an MTU issue after? The speed was OK reported after the modification but i had all sorts of things going on.

I didn't understood your first recommendation or what should i have as result from it?

ps: after saving from gui the settings the seetings were overwritten and speed decreased as before but web-pages were available again.

Thanks

Ervin

The same details are in the thread Tony linked to. If you can try by adding "plugin rp-pppoe.so " to /etc/ppp/options it would be great. If that does not work, can you try it in /etc/ppp/options.ppptd? What I am hoping is you can find a place which the webconfig does not overwrite as the webconfig overwrites /etc/sysconfig/network-scripts/ifcfg-pppX at will.

When trying the plugin line, you may need to use the full path to the file.

If you can post back your findings, it would be great.

[edit]
Note the firewall rule is important. If you do it as a Custom Firewall rule, change "iptables to "$IPTABLES"
[/edit]

Ok, had uninstalled everything related to gatway, (antivirus, proxy, adittional security features) but it is the same result also changed mtu swtiched ports etc.
I found the ticket 0020251 is related to this issue, can i use the tutorial from it how to switch on kernel mode?

Thanks

Ervin

Yes, from Tony's link, the best we can do is switch to kernel-mode PPPoE. When it was last looked at, ClearOS couldn't get to 1Gbps but could get relatively close. The Devs have no way of testing this set up as none of them have PPPoE at that sort of speed. There have been a number of kernel updates since then, wspecially with the jump to the 7.5 kernel, so I've no idea if the situation has changed.

Is this thread of any help? https://www.clearos.com/clearfoundation/social/community/internet-very-slow-when-using-pppoe