› Forums › Network Management › ZeroShell › Web browsing slowness on a firewalled machine
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January 11, 2014 at 3:27 pm #43815
DrmCa
ParticipantFulvio:
Only one machine 10.10.10.20 on my LAN is firewalled with the rules below.
That machine intermittently experienced slow browsing, until last night it simply started timing out all web pages.
I dropped firewall and browsing was fast again like on all other machines. Rules follow (all of them):1 * * DROP udp opt -- in * out * 0.0.0.0/0 -> 0.0.0.0/0 udp dpt:53 no
2 * * DROP tcp opt -- in * out * 0.0.0.0/0 -> 0.0.0.0/0 source IP range 10.10.10.20-10.10.10.29 TIME from 00:00:00 to 16:30:00 on Mon,Tue,Wed,Thu,Fri tcp dpt:80 no
3 * * DROP tcp opt -- in * out * 0.0.0.0/0 -> 0.0.0.0/0 source IP range 10.10.10.20-10.10.10.29 TIME from 22:00:00 to 00:00:00 tcp dpt:80 no
4 * * DROP tcp opt -- in * out * 0.0.0.0/0 -> 0.0.0.0/0 source IP range 10.10.10.20-10.10.10.29 TIME from 00:00:00 to 09:00:00 on Sat,Sun tcp dpt:80 no
5 * * DROP tcp opt -- in * out * 0.0.0.0/0 -> 0.0.0.0/0 source IP range 10.10.10.20-10.10.10.29 TIME from 00:00:00 to 16:30:00 on Mon,Tue,Wed,Thu,Fri tcp dpt:443 no
6 * * DROP tcp opt -- in * out * 0.0.0.0/0 -> 0.0.0.0/0 source IP range 10.10.10.20-10.10.10.29 TIME from 22:00:00 to 00:00:00 tcp dpt:443 no
7 * * DROP tcp opt -- in * out * 0.0.0.0/0 -> 0.0.0.0/0 source IP range 10.10.10.20-10.10.10.29 TIME from 00:00:00 to 09:00:00 on Sat,Sun tcp dpt:443 noThe router is a P4-2.2 GHz machine with 512 MB RAM booted from a 2.0RC3 CD with profiles saved onto a Kingston 16GB DataTraveler USB key.
I really need the rules above to work. How can I ensure that both rules are turned on and browsing is OK? -
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