Questions tagged as 'firewall'

Tagged questions
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Open port 3306 iptables

I am setting up a virtual machine as a database server on a CentOS 7 and I want to open port 3306 to connect from the host machine. The rule that I have set is the one shown in the capture However, it does not allow me to connect, wh...
asked by 19.02.2018 / 20:42
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firewall-cmd filter by string

Good I am trying to filter by String a chain, just as it is done in iptables; But it's not working. I'm sending the sequence like that. firewall-cmd --permanent --direct --add-rule ipv4 filter FORWARD 0 -s xx.xx.xx.xx -p tcp --dport 443 -m str...
asked by 23.01.2018 / 21:47
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FTP client fails on LAN with Windows Server 2016 router

I have a Windows Server 2016 with two cards acting as a router. A WAN card connects to the router and another LAN card connects to the switch that serves the workstations and peripherals. Everything works correctly, the PCs go to the internet (W...
asked by 08.10.2018 / 16:17
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I can not count to FTP with the public ip of my VPS. [Problem with sftpd (FTP) Centos]

The listening ports on localhost The listening ports with the public ip (Where port 21 no longer appears) I already use the commands to open the iptables and firewall-cmd ports, I have already opened the ports from my provider....
asked by 25.08.2018 / 10:14
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iptables and my-domain.club

I have a domain .club and when I run the tool nslookup the server does not respond, it responds only when I stop the service iptables and at that moment I can see my web page I have ports 80, 443, 10000, 3306 and 22. INPUT...
asked by 11.08.2018 / 07:08
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what do these firewall rules do?

I just picked up an http server in Fedora 22 and when I tried to access from the browser I could not enter and after a quick check I realized that it was the firewall rules, that I deleted all the rules and I could enter, I would like to that pl...
asked by 21.06.2018 / 04:54
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Problem with port node.js and CentOS 6

Friends I have days searching and I still can not find anything, I have my node.js application running on a CentOS 6 server. I'm using the socket.io and express libraries ... From the console I can see that the node server opening the port of li...
asked by 07.05.2017 / 16:42
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Skip firewall with XMPP Http-Bind

Hi, I know that you can do an XMPP with ports 80 or 443 for this, there are services such as jwchat, and through a web, the configuration is used to use port 80. I need documentation or someone who knows about it. Thank you     
asked by 10.10.2016 / 13:17
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how I connect to sql by ip publishes from

I want to connect to Sql from a server with a public ip, I already get the network connection, but not by ip public, I also configure ports 1433 and the firewall, and I can not yet     
asked by 07.12.2017 / 17:42