Blocked By My Own SErver
Jun 5, 2007
I am often blocked by my own server.
So I can access my site through anonymouser.com but I cannot access my site directly. Changing my IP (using ASDL) will solve the problem.
A techie told me that it happened because of failed login attempt.
However, I had not made any failed login attempt?
Then it happened again today.
Why is this happening?
Though I didn't make eronous login attempt, I did try to check whether my sites are on or not a lot.
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Nov 19, 2007
I have an issue with 4 servers, one at theplanet.com and 3 at ayksolutions.com
Traceroute from any ayk servers to the planet dies on the last router on the planet site,
traceroute from the planet to any ayk servers dies on the last router on the ayk site.
using a different IP for the planet server works.
Now, how can I figure out which router blocks this connection?
Everything was perfect till yesterday. I can ssh on all servers.
Technical staf from both ISPs has no idea and point to eachother. Is it other tool to see where I'm blocked.
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Nov 4, 2008
Unfortunately yahoo blocked our server ip, so our customer cant send any email to yahoo!
How can fix this issue? Do you have any email or ticket system in yahoo for contant about this issue?
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Apr 12, 2008
Yes, cannot access my server with my PC. Tried everything but no avail. I confirmed that the server is up and running, everyone else can access it.
Here is what has been done so far:Cannot access to server after my FTP program automaticly tries to connect few times with wrong password. Fine, my IP will be flushed in 10~20 minutes tops. But no, after an hour still cannot access.
Submitted a ticket to the provider. They have flushed the Iptables, stopped the firewall, and added my IP address to allowed hosts file.
I have stopped the firewall in my PC. Flushed the DNS cache and restarted the windows.
Can use internet without a problem. Can access any website w/o problem except my own server.
Can anyone think of anything causing this?
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Sep 3, 2007
I got the server hosting at liquidweb.
I access my website and ssh normally until 2 days ago. I couldn't go to my website and ssh anymore. All my clients can go to the website, sftp, ssh normally. I did a VPN to my company office and I can access to my website and ssh from my office.
Obviously, my IP address at home was blocked.
Do you think that was from Liquidweb firewall or my server cpanel firewall or something like that?
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Aug 25, 2007
When my forum sends out emails to Hotmail users, I always get this message back:
Quote:
SMTP error from remote server after MAIL command:
host mx3.hotmail.com:
550 Your e-mail was rejected for policy reasons on this gateway. Reasons for rejection may be related to content with spam-like characteristics or IP/domain reputation problems. If you are not an e-mail/network admin please contact your E-mail/Internet Service Provider for help. For e-mail delivery information, please go to [url]
How do I get off the blacklist? This is affecting all my forum users using Hotmail.
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Mar 15, 2008
I cannot send emails to name@hotmail.com from any of sites hosted on my server. No mass emails. no unusual activities. Even though they blocked it. I filled out their forms but they didn't remove the block.
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Nov 30, 2007
I just found out all my mails sent to Gmail are marked as spam. However, if I check my IP address in independant grass-root spam databases, my IP address isn't blacklisted. I checked 7 of them. Do you know how to solve this problem
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Jul 27, 2008
We have a server with a fine company, BocaCom. They are who the IP addresses are we use ultimately registered to. It seems we are being blacklisted by secureserver (isn't that Godaddy?) because the IP does not register to us for our outgoing email. It registers to BocaCom.
Is anyone else having this problem, and how to we get around it? We've contacted BocaCom and are waiting for their reply. Is this an IP issue or am I reading the secureserver reply wrong?
----------------
Dear Sir/Madam,
While there is indeed an rDNS record created for 72.35.xx.xx, it does not point back to the original A record. This will need to be updated before we can look further into unblocking the IP.
----------------
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May 14, 2009
i have vbulletin forum with 250,000 member
i tried to send a message to them so i used this blugin
[url]
and send 200 message every 10 minute
after 4 days my ip address are blocked from yahoo server
every mail i want to send i get this message
[TS03] All messages from xx.xx.xx.xx will be permanently deferred; Retrying will NOT succeed. See [url]
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Jan 20, 2008
All of a sudden my sites are not visible to me hosted in the same cirtex hosting account. I have verified that it wasn't spyware messing with my local computer and can view the site via a proxy. They use cpanel and there is no block visible, but there has to be something somehwere. I told them to restart and that did make the site visible until I checked in the morning, Where would a block be if this is it and is there a chance this was done by a hacker?
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Dec 30, 2007
how willing your ISP/carrier is to block one or multiple IP addresses that have may have been causing issues for you such as DDoS attacks, hackings etc.
What has been your experience? Please provide as much detail on your experience as possible.
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Jul 19, 2007
I am blocked by MSN. All email messages directed to any @hotmail.com address is rejected, here a typical message:
A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:
name@hotmail.com
SMTP error from remote mail server after MAIL FROM:<user@mydomain.com> SIZE=1802:
host mx3.hotmail.com [65.54.244.200]: 550 Your e-mail was rejected for policy reasons on this gateway. Reasons for rejection may be related to content such as obscene language, graphics, or spam-like characteristics (or) other reputation problems.
I have never spammed nor sent similar content as that listed above.
My host provider says they are contacting MSN for an explantion, but time is running and I need to find a solution to this, because I have some customers (hosted in my server) which need to answer to @hotmailers prospects on their product/services.
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Jun 28, 2009
I need to block a specific IP:
93.6.224.242
It adds fine when I do:
iptables -A INPUT -s 93.6.224.242 -j DROP
However, the IP is still accessing files and pages on the site according to Apache:
When I ban other IP's they are blocked from accessing anything on the server (e.g. it wouldn't even reach Apache level because of firewall), but this IP just isn't banning properly.
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Nov 5, 2009
am using APF firewall and am getting ddos from these range ips
4.68.25.*
8.0.4.*
8.0.5.*
how could i delete all the range from these ip's?
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Oct 13, 2009
I have recently switched to GreenGeeks, great company and great support, but I am having a huge problem that all my clients and I are having problems with. No one can send emails to ATT, Verizon, Earthlink, Comcast, Etc. because they bounce back as being blocked. I have contacted them to unblock the IP and they do, but then a few days pass and it's blocked again. WTH? I've contacted GreenGeeks and they are aware of the problem but I really need to move on with this problem, does anyone know of any solution to do?
Example: ....
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Jul 8, 2009
We just got a new windows server and didnt put an antivirus or configure windows firewall, while setting up for the 1st two months.
our IP address has been blocked twice now by this company, on saturday, released on monday and blocked again on tuesday.
[url]
we applied to have it removed which they did and blocked it again, they claim we were spamming, which we never did
We have installed mcafee and setup windows firewall.
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Feb 3, 2009
One of my clients ran an e-mail bomber and gmail is blocking all emails from my server. I've searched but can't find a way to reach google or unblock the IP.
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May 25, 2009
I have exim mailserver (cpanel based),and when i send mails to some domains i have got the following error
550 Service unavailable; Client host [xxx.xxx.xxx.xxx] blocked using 88.blacklist.zap; Mail From IP Banned To request removal from this list please forward this message to delist@frontbridge.com
How can i solve this issue ? How can i avoid my IP from listing in 88.blacklist.zap?
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Feb 20, 2008
Recently switched firewalls from APF and CSF, and so far couldn't be happier! But I do have some questions on SYNFLOOD_RATE within CSF.
Currently have a setting for "40/s" and I am still getting many messages in /var/log/messages with *SYNFLOOD Blocked*.
If I enable Synflood checking, the load on the server increases, but the bandwidth usage decreases. But I'm wondering if 'good' visitors are getting turned away?
Is the setting meaning block above 40/s per IP?
Or simply block above 40/s?
Also, does the firewall simply drop the packets above 40?
And is the IP Blocked?
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Nov 16, 2008
They started blocking my Port 25, so I made an iptables entry on my server to redirect posrt 26 to port 25 so I could set my outgoing mail for my server (from Outlook) to port 26. But one day later teh bastards are blocking my port 26 too! Guess they just don't want ANY outbound mail send from anything but their servers! If I had any other option, I'd dump Comcast in a heartbeat!
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May 4, 2008
I'm testing scripts on new server now, and server has 2 problems.
1. I can not enter domain name as "get" parameter. For example, if I'm requesting URL like domain.com/file.php?url=[url] - it does not work. If I'm requesting URL like domain.com/file.php?url=[url](please note it has INVALID extension for TLD) - it works!
2. fsockopen and file_get_contents does not work. I added these settings into php.ini:
allow_url_fopen = On
allow_url_include = On
...and nothing works. I get just blank pages when using these functions.
Server is running cpanel + apache 2.2 + php 5 + APF firewall
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Apr 22, 2008
Been running CSF and very happy with. Just wondering if anyone periodically has to restart CSF because it is blocking something it shouldn't? For example, I have port 5151 open in csf.conf, suddenly (at random) the port will be blocked. I restart CSF and everything is fine.
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Jul 25, 2008
i have a customer whos isp blocked both port 110 and 25, so far i was able to fix the problem with sending e-mails (port 25) but i cant see where do i change or add another port for receive email on my server, and since i cant do it... there is no point on opening a port in the firewall.
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Apr 9, 2008
I have blocked an IP both in host.deny AND in iptables...and the guy is still able to access my server...any suggestions or something to look for.
CentOS 4.5
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Jul 7, 2007
I setup php on my IIS in my box and i know i set it up correctly, but each time i reinstall it because of this error i keep getting it.
When i try to see any php file on my IIS through a web browser it shows me some login page no matter what kind of php file it is.
If its html or asp it works fine like here
66.221.255.17
or 66.221.255.17/index.html
but this doesnt work it shows some login
66.221.255.17/index.php and so do all other php files.
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Dec 12, 2007
My user said he can not view his site from his IP address. His friend from the same ISP also canot access the site.
But i can access from my ISP. So I think probably his IP address has been baned. Therefore, how can I check that? and how can i make his IP range available back?
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Apr 23, 2007
My IP in clean from any blacklist/RBL databases but hotmail is blocking with the error message below:-
Remote host said: 550 Your e-mail was rejected for policy reasons on this gateway.
Reasons for rejection may be related to content such as obscene language, graphics, or spam-like characteristics (or) other reputation problems. For sender troubleshooting information, please go to [url]. Please note: if you are an end-user please contact your E-mail/Internet Service Provider for assistance.
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Aug 12, 2007
I've just got a fully manage VPS, unfortunately the newly aquired IP was listed in PBL (policy Block List)by spamhaus which is a nonspam source. I've got the ip de-listed but apparently some servers are still rejecting emails coming from this IP. It have been almost 48 hrs. Question is:
1) How can the IP got listed when it's never been use? How can we check IP is indeed a 'fresh' or pr-owned by spammers?
2) What is the possibility of the IP being blacklisted by these servers forever? How long does it normally take for it to be totally in the clear?
3) What are the preventive measures that can avoid IP being listed?
4) Is configuring Reverse DNS PTR a standard procedure in server set-up and could missing that config be the main reason the IP got tagged?
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Oct 18, 2007
Today a client told he is not able to access the server.
I checked his IP in /var/log/mesages and found 5000 lines of
Quote:
Oct 18 14:24:46 server54 kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=00:18:e7:16:99:96:00:d0:00:f2:e4:00:08:00 SRC=124.43.217.81 DST=MY-IP-ADDR LEN=48 TOS=0x00 PREC=0x00 TTL=115 ID=37007 DF PROTO=TCP SPT=2182 DPT=554 WINDOW=65535 RES=0x00 SYN URGP=0
It seems he is connecting to the server on port 554.
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