ive been using cloudflare for 24 hours now and it seems to really slow down my site. ive read all their docs, pared most of the options back, am running no apps, etc. i did notice some talk over there that some hosts dont play well with cloudflare, godaddy being the most mentioned offender.
im curious if anyone is running their linode through cloudflare and what their experience has been. is there some trick to experiencing the sweet joy so many talk about?

I've been using Cloudflare since they were in Beta, and never had much of a problem, though it does seem to speed up my static websites more than my Wordpress sites.

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Chris Bryant

GoDaddy shouldn't be an issue. Did you make sure that you don't have anything blocking or limiting our requests at the host or server level? Some quick things to check:

http://www.cloudflare.com/wiki/I_keep_s ... Offline%22

do we know for certain that the cloudflare ips are whitelisted by linode and are not being throttled?

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linode 512, ubu 10, apache2, php, mysql

Linode doesn't have any 'whitelist' for them to be on in the first place...

Staff from Linode could answer this. I do know that some services throttle if they a lot of connections coming from certain IPs, something that could happen because we act as a reverse proxy, so installing mod_cloudflare to pass along original visitor IPs might help as well.

http://www.cloudflare.com/wiki/Log_Files

i cant imagine anyone running a pro network that wouldnt have some sort of precautions against ddos and the like.

i spent an entire evening trying to compile that, but it failed relentlessly. no amount of installs and google-foo could solve my problems. it sure would be great if somebody knew where to find a compiled .so

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linode 512, ubu 10, apache2, php, mysql

Do you know what the errors were? Our engineers can generally figure out what was causing the compiling issue. I would simply need the error codes you were getting back from your install attempt.

By default, there is a 50 Mb/sec rate limit on outgoing traffic from each Linode. As far as I can tell, that is all the filtering that occurs upstream of an individual Linode, unless there actually is a DDoS.



I've not noticed this happening, even with obviously bad traffic. Last week, I handled ~150 SIP registration attempts per second from one IP address. Lasted about 18 hours until I got around to iptablesing it. Then again, it was only about 1.5 Mb/sec, which is small potatoes in the grand scheme of things.

How many hits/second are we talking about here?

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root@mars:~# apxs2 -iac mod_cloudflare.c
/usr/share/apr-1.0/build/libtool --silent --mode=compile --tag=disable-static i486-linux-gnu-gcc -prefer-pic -DLINUX=2 -D_FORTIFY_SOURCE=2 -D_GNU_SOURCE -D_LARGEFILE64_SOURCE -D_REENTRANT -I/usr/include/apr-1.0 -I/usr/include/openssl -I/usr/include/xmltok -pthread     -I/usr/include/apache2  -I/usr/include/apr-1.0   -I/usr/include/apr-1.0   -c -o mod_cloudflare.lo mod_cloudflare.c && touch mod_cloudflare.slo
/usr/share/apr-1.0/build/libtool: line 970: i486-linux-gnu-gcc: command not found
apxs:Error: Command failed with rc=65536

ubuntu 10.04.2

root@mars:~# ls /usr/bin/gcc*
/usr/bin/gcc  /usr/bin/gcc-4.1  /usr/bin/gccbug-4.1

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linode 512, ubu 10, apache2, php, mysql

Checking it out with our mod_cloudflare wiz.

Here's what he suggested trying:


/usr/share/apr-1.0/build/libtool --silent --mode=compile --tag=disable-static gcc -prefer-pic -DLINUX=2 -D_FORTIFY_SOURCE=2 -D_GNU_SOURCE -D_LARGEFILE64_SOURCE -D_REENTRANT -I/usr/include/apr-1.0 -I/usr/include/openssl -I/usr/include/xmltok -pthread -I/usr/include/apache2 -I/usr/include/apr-1.0 -I/usr/include/apr-1.0 -c -o mod_cloudflare.lo mod_cloudflare.c

that compiles but the resulting module kills apache.

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linode 512, ubu 10, apache2, php, mysql

can somebody with more skill please compile mod_cloudflare for me? i have spent so many hours on this
http://www.cloudflare.com/wiki/Log_Files

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linode 512, ubu 10, apache2, php, mysql

given up on cloudflare.
its a great idea, but its too much of a pain in the ass to get running well.

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linode 512, ubu 10, apache2, php, mysql