I have 2 questions, Can I ping all the AWS buckets in the world? I would use a simple shell script which will curl with a dictionary of names/number combinations or some other method. Will my IP be blocked if I do this? If so, why? This is not a DOS attack, is it? I … Read more
The website is under DDOS, the cloud service is doing a pretty good job for a cost of dozen bugs a month. We are happy! However the attackers have been hitting our site with IP. Currently, we 301 forward them to the DNS name (managed by could security service). This is not enough as the … Read more
Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 5 years ago. Improve this question I’m trying to block a specific IP using IPTables. When I use the following shell command (Xs to hide the actually IP): iptables … Read more
This question already has answers here: How to send emails and avoid them being classified as spam? (8 answers) Closed 7 years ago. Recently I tried to set up a new email server using iRedMail on Lubuntu. The mail server workes very well when email conversation is in the same domain. But when a user … Read more
this is my first question here. I made this follow script to protect my server against Slowloris and some DDOS. #!/bin/sh # It does not allow more than 10 connections per IP on ports 80 and 443. And log it. # Except when the IP comes from 123.456.789.000 /sbin/iptables -A INPUT -p tcp –syn –dport … Read more
Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 4 years ago. Improve this question I want to block my server talking to an external IP address continously. The IP address in question is I think is being … Read more
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 4 years ago. Improve this question I’m newbie sorry for my poor English I want block range IP of Social networks and Game server in Mikrotik … Read more
I send out about 500,000 emails every week. I have been sending the list out for about 1 year. But in conversation, I was advised that the company sends in a shared IP manner. So my list goes out with gambling and adult emails; and that their IPs get blocked often. They have 20 IP, … Read more
My server is getting hit pretty hard by (what appears to be) script kiddies in China. I’m just looking for some thoughts/ideas on how to potentially setup some type of Fail2ban proc? Answer An answer to a similar question links to a tool to protect Cygwin’s sshd in Windows. As fail2ban works for all sorts … Read more
It’s difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 9 years ago. I cannot access a certain website. There are … Read more
