[Solved] Website Unavailable Outside Usa (Firewall Issue?)

[karambolis8-2]

Hello.

 

My website adamgudynowski.heliohost.org is unavailabe in Poland for about 3 days. At first I thought it is a general problem with hosting (recent Hurricane Electric problems), but using fe VPN to UK, or proxy from USA site is accessible. Most visitors come from Poland, so from my point of view the site is down.

 

Error in web browser is ERR_CONNECTION_TIMED_OUT

 

Regards

Adam

 

EDIT. Flushing DNS hasn't helped.

[Byron]

So this is solved?

[karambolis8-2]

No, it is not solved.

[wolstech]

You're probably just stuck in the firewall. It is easy for an individual user to get themselves blocked for too many connections, especially by using FTP too much. When that happens, the server will just time out for that user as it is doing for you. You won't get any errors or other indication you are blocked, and a VPN or different internet connection will make it work (as it does for you).

 

We host well over 20,000 domains around the world, and nobody else has mentioned an issue with connectivity from Poland (in fact, the monitoring system one of our users provides for our servers is hosted in Poland, if there was an issue, they would all be showing down...).

[Byron]

You were right wolstech, it was his ip being blocked. Reason for being blocked: 93.175.111.5 # DOS 32 connections - Sun Jan 31 14:47:34 2016

 

Ok your ip has been unblocked.

[karambolis8-2]

Thanks. Now it's working. How to avoid blocking in the future? What is the daily/monthly limit of FTP connections?

[wolstech]

It's not just FTP connections, it's any connection. There's no hard limit, though most blocks seem to occur when there are around 25 connections to our server from a single IP Address. You were blocked for DoS, so it can be anything that causes you to open too many connections. FTP is the usual cause, but other causes do exist like broken software not closing connections when finished, or having too many devices on your home wifi that check a mailbox on your account too frequently.

 

If it was FTP, it happens especially when transferring a lot of things at once. Set your FTP client to only open a max of ~3 connections at a time during uploads. Also, never download large quantities of files via FTP (e.g. to back up your account), as many clients will attempt to download them all at once (one connection per file) and get you blocked.

 

If you need to download a lot of files (more than ~20) off of your account, use the cPanel file manager or download an archive of your entire public_html folder using the backup functions in cPanel and extract the files you need from the backup.

[karambolis8-2]

If it was FTP, it happens especially when transferring a lot of things at once.

 

This was most probably my case. Thanks for help and guides