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ubuntu 16.04 on virtual dedicated server with external IP can't open any ports


Apache timeout, OK on localhostUnable to find where external IP address is being blocked (nginx, nodejs, linksys router)IPTables/UFW not allowing incoming connectionHow to raise failed network interfaces after upgrade to Ubuntu 16.04Ubuntu 16.04.2 LTS won't allow incoming ssh connectionsA certain ufw rule doesn't work after rebootConfused with ufwPort forwarding doesnt work. Did i miss something?ssh port forwarding and ufwHelp! suddenly cant ssh into server for no apparent reason (operation timedout)













0















I have cloud virtual server with external IP configured on ubuntu 16.04 . I am trying to configure ssh so i can access it from the internet but no luck as far as that. Also i installed iRedMail on it, installation finished without any errors and i couldn't even access web interface of iRedmail. Simple iperf on 5201 doesn't work either. It looks like something is blocking all the ports. I tried allowing ports on ufw, disabling it completely, nothing helps. My hosting company told me that they don't block any ports and problem has to be in my configuration. What am I missing? thanks










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  • Try disabling ufw altogether with "sudo ufw disable", just to see if that fixes the issue. If it does, you know it's an issue with your firewall configuration. If it's not, then it's something else.

    – Gerowen
    10 mins ago















0















I have cloud virtual server with external IP configured on ubuntu 16.04 . I am trying to configure ssh so i can access it from the internet but no luck as far as that. Also i installed iRedMail on it, installation finished without any errors and i couldn't even access web interface of iRedmail. Simple iperf on 5201 doesn't work either. It looks like something is blocking all the ports. I tried allowing ports on ufw, disabling it completely, nothing helps. My hosting company told me that they don't block any ports and problem has to be in my configuration. What am I missing? thanks










share|improve this question







New contributor




chrisk k is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.




















  • Try disabling ufw altogether with "sudo ufw disable", just to see if that fixes the issue. If it does, you know it's an issue with your firewall configuration. If it's not, then it's something else.

    – Gerowen
    10 mins ago













0












0








0








I have cloud virtual server with external IP configured on ubuntu 16.04 . I am trying to configure ssh so i can access it from the internet but no luck as far as that. Also i installed iRedMail on it, installation finished without any errors and i couldn't even access web interface of iRedmail. Simple iperf on 5201 doesn't work either. It looks like something is blocking all the ports. I tried allowing ports on ufw, disabling it completely, nothing helps. My hosting company told me that they don't block any ports and problem has to be in my configuration. What am I missing? thanks










share|improve this question







New contributor




chrisk k is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.












I have cloud virtual server with external IP configured on ubuntu 16.04 . I am trying to configure ssh so i can access it from the internet but no luck as far as that. Also i installed iRedMail on it, installation finished without any errors and i couldn't even access web interface of iRedmail. Simple iperf on 5201 doesn't work either. It looks like something is blocking all the ports. I tried allowing ports on ufw, disabling it completely, nothing helps. My hosting company told me that they don't block any ports and problem has to be in my configuration. What am I missing? thanks







server ssh ufw ip






share|improve this question







New contributor




chrisk k is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question







New contributor




chrisk k is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|improve this question




share|improve this question






New contributor




chrisk k is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









asked 1 hour ago









chrisk kchrisk k

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New contributor




chrisk k is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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New contributor





chrisk k is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






chrisk k is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.












  • Try disabling ufw altogether with "sudo ufw disable", just to see if that fixes the issue. If it does, you know it's an issue with your firewall configuration. If it's not, then it's something else.

    – Gerowen
    10 mins ago

















  • Try disabling ufw altogether with "sudo ufw disable", just to see if that fixes the issue. If it does, you know it's an issue with your firewall configuration. If it's not, then it's something else.

    – Gerowen
    10 mins ago
















Try disabling ufw altogether with "sudo ufw disable", just to see if that fixes the issue. If it does, you know it's an issue with your firewall configuration. If it's not, then it's something else.

– Gerowen
10 mins ago





Try disabling ufw altogether with "sudo ufw disable", just to see if that fixes the issue. If it does, you know it's an issue with your firewall configuration. If it's not, then it's something else.

– Gerowen
10 mins ago










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