I am managing a server and just learning how to do everything. It is a linux server running WHM/Cpanel. I need web scripts on this server to be able to connect to external SMTP servers. Therefore I need to open up port 25 (if it is not already).
How do I open ports on my server? Hopefully by using WHM/Cpanel (I am not too familiar with using the command line).
I have a VPS running CentOS 4.4 which I have just been securing. It is running apache on port 80, BIND on port 53 and ssh on an atypical port. However, when I do a portscan with nmap I find that port 5190/tcp is open. There is no daemon listening on the port (I think it is for AIM?) and in any case iptables should refuse any connection on this port. Should I worry about this or is the port pretty safe to leave open?
Due to some circumstances out of my control, I've had to move from postfix to qmail. In postfix, I simply edited master.cf and added a new line to open it up on port 26 and 25 at the same time. In qmail it's not that easy. I followed the instructions at http://www.daniweb.com/forums/post256079-2.html and it worked, but it takes about 15 seconds for thunderbird send the mail (it sits there saying 'connected to mail.domain.com)
Is there a better way of opening qmail on 26 or forwarding requests for 26 to 25?
Currently I am using Linux + cPAnel and using the port 25 for email sevrer. Currently we facing 1 problem is, some user's ISP is not support port. May I know how can I add additional port into server and allow users to send mail by different port?
I've run "DNS report" test for one hosting in dnsstuff.com and got this warning (as some times before for other hosts:
--------------------- Fail: Open DNS server
ERROR: One or more of your nameservers reports that it is an open DNS server. This usually means that anyone in the world can query it for domains it is not authoritative for (it is possible that the DNS server advertises that it does recursive lookups when it does not, but that shouldn't happen). This can cause an excessive load on your DNS server. Also, it is strongly discouraged to have a DNS server be both authoritative for your domain and be recursive (even if it is not open), due to the potential for cache poisoning (with no recursion, there is no cache, and it is impossible to poison it). Also, the bad guys could use your DNS server as part of an attack, by forging their IP address. -----------------------
Well i started off with them in december. here is my review
- Waited a week after payment for service. ticket replys "will be up tonight" or "working on it now" now came a week later.
- then when it did come online cpanel/whm licence was invalid, resulting in 4 more days of "will be fixed today" replys to my tickets
- finaly server up and whm working, fantastico licenc invalid, here foes another 5 days
- same time as fantastico: whmcs licence invalid guess how long? (had to threaten to cancel to get it)
Dispite all this when i finally got online they promised a free month for the issues, server ran great for about a week and i was happy at this point.
then ran into several small issues, ftp shutting down, site downtime, not being able to edit files and folders, nothing major just little things, but lots of them.
cron issues, RV took a week to get installed. wrong amount of ips that to this day was never corrected.
support tickets started to disapear, and respond times grew massivly, bandwidth exceeded pages sprung up daily and randomly on all mycustomers pages, and mail to this day has never worked properly.
then i get invoiced in the middle of jan for another 3 months. not only did i not have my time i paid for but didnt get the free month for the issues, at this point they try to upsell me to pay the full year at discounted price and my issues still are not fixed.
At this point im through with this, i havent spent 3+ years building the customers i have to loose 3 in 1 week due to there serice. After seeing other simmilar posts here and how they reject refunds, I was promised in both msn chat and there own ticket system they DO offer a money back guarantee and have 7 screen shots of different convos with it being guaranteed. PayPal will not interfere as its a service therefor if i do not recieve 2 of the 3 month i have paied fore i am doing a credit care charge back.
Jeff has lied far too often. We have even checked into his "Llc" which he is most definetly not. and this is illegal.
Jeff when you read this no BS responces not "we dont refund" this is not a choice for you, it is an understanding on my part that you keep one of the three months payment or i will do a 100% credit card chargeback which will result in your paypal deducting it and charging you $15 for the process. refund 2 months, and i want it this week, not next month. Dont bother deleting my tickets and email/msn convos i have everything screenshoted. your a crook, and a fraud. I cant believed that in between all this the 1 or so week it did somewhat work i actually posted positive reviews and supported/defended your business.
how can i forbid POST to be sent from outside website and allow it to be sent from the website of origin like if you are on domain.com POST command must be allowed only if you are sending it from taht domain/referer?