ERROR: Unable to start HTTP server about ntopng HOT 19 CLOSED

Additional Info: This issue happens only on a VM. Ntopng starts fine on physical box.

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Hi,

thanks for the report. Could you provide some more details about the VM setup? E.g. network configuration.

Thanks,
Arianna

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Hi Arianna
Here is the ifconfig output

[paasusr@ucf2b-docs-psr0427-ms1 ~]$ ifconfig
eth0 Link encap:Ethernet HWaddr C6:B0:3D:21:E4:CA
inet addr:10.241.239.42 Bcast:10.241.239.43 Mask:255.255.255.252
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:43530133 errors:0 dropped:4 overruns:0 frame:0
TX packets:41398108 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:42226439124 (39.3 GiB) TX bytes:41512543431 (38.6 GiB)
Interrupt:80

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:1892 errors:0 dropped:0 overruns:0 frame:0
TX packets:1892 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:161086 (157.3 KiB) TX bytes:161086 (157.3 KiB)

Please let me know what other info is reqd. OS version is mentioned in the bug.
Thanks
Atin

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@chris4269 you seem to be starting ntopng as a non-privileged user. Have you tried starting it as superuser (e.g. sudo ./ntopng)?

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Any chance to provide SSH access to your box to debug the issue locally?

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What Linux distribution are you using exactly ? Please use the GIT code as we have made fixes in the past days (you said you are using the SVN code)

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We cannot support you if you use an old code version. Please update to github and try again

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@chris4269 ntopng 1.2.1 is a really old version. Could you please clone this repo and try it? Or just grab some nightly build from the repo.

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Question: The issue @chris4269 is facing seems to be different from what I have reported. In my case I ran ntopng as root and specifying the interface did not help. The error message is different also. Perhaps it needs to be tracked as a new bug?

The version I used was
[root@ucf2b-docs-psr0427-ms1 paasusr]# /usr/local/bin/ntopng --version
v.1.99.150430 (r9332)

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@atin001 Probably you should, but still, from the log you reported it seems you are not using the very latest code. Could you please try with the latest github code and, if you still see the error, file a new issue? Thanks.

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Like I have said we cannot support you unless you give access to your box where we can reproduce the bug.

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@chris4269, please do try to install the latest ntopng. It is version 1.99 and you can download it from this very same repo. Version 1.2.1 is very old.

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@chris4269 you can git clone version 1.99 from https://github.com/ntop/ntopng.git

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@chris4269, use git (available for all Linux distributions as a package) and do
git clone https://github.com/ntop/ntopng.git

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https://github.com/ntop/ntopng/blob/dev/README.ntopng

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@chris4269 after you have installed all dependencies, prior to do ./configure, you have to git clone https://github.com/ntop/nDPI.git and compile it.

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ERROR: Unable to start HTTP server (IPv4) on ports 3000

sudo ./ntopng
08/May/2015 10:27:08 [src/Ntop.cpp:779] Setting local networks to 192.168.0.0/16,172.16.0.0/12,10.0.0.0/8,127.0.0.0/8,0.0.0.0/32,224.0.0.0/8,239.0.0.0/8,255.255.255.255/32,127.0.0.0/8
08/May/2015 10:27:08 [src/Redis.cpp:93] Successfully connected to Redis 127.0.0.1:6379@0
08/May/2015 10:27:08 [src/PcapInterface.cpp:81] Reading packets from interface eth0...
08/May/2015 10:27:08 [src/Ntop.cpp:1027] Registered interface view eth0 [id: 0]
08/May/2015 10:27:08 [src/Ntop.cpp:997] Registered interface eth0 [id: 0]
08/May/2015 10:27:09 [src/PcapInterface.cpp:81] Reading packets from interface lo...
08/May/2015 10:27:09 [src/Ntop.cpp:1027] Registered interface view lo [id: 1]
08/May/2015 10:27:09 [src/Ntop.cpp:997] Registered interface lo [id: 1]
08/May/2015 10:27:09 [src/Utils.cpp:277] User changed to nobody
08/May/2015 10:27:09 [src/main.cpp:227] PID stored in file /var/tmp/ntopng.pid
08/May/2015 10:27:09 [src/HTTPserver.cpp:449] HTTPS Disabled: missing SSL certificate /tmp/ntopng/httpdocs/ssl/ntopng-cert.pem
08/May/2015 10:27:09 [src/HTTPserver.cpp:451] Please read https://svn.ntop.org/svn/ntop/trunk/ntopng/README.SSL if you want to enable SSL.
08/May/2015 10:27:09 [src/HTTPserver.cpp:486] ERROR: Unable to start HTTP server (IPv4) on ports 3000
pi@raspberrypi /tmp/ntopng $ sudo ./ntopng -w 666
08/May/2015 10:27:15 [src/Ntop.cpp:779] Setting local networks to 192.168.0.0/16,172.16.0.0/12,10.0.0.0/8,127.0.0.0/8,0.0.0.0/32,224.0.0.0/8,239.0.0.0/8,255.255.255.255/32,127.0.0.0/8
08/May/2015 10:27:15 [src/Redis.cpp:93] Successfully connected to Redis 127.0.0.1:6379@0
08/May/2015 10:27:15 [src/PcapInterface.cpp:81] Reading packets from interface eth0...
08/May/2015 10:27:15 [src/Ntop.cpp:1027] Registered interface view eth0 [id: 0]
08/May/2015 10:27:15 [src/Ntop.cpp:997] Registered interface eth0 [id: 0]
08/May/2015 10:27:16 [src/PcapInterface.cpp:81] Reading packets from interface lo...
08/May/2015 10:27:16 [src/Ntop.cpp:1027] Registered interface view lo [id: 1]
08/May/2015 10:27:16 [src/Ntop.cpp:997] Registered interface lo [id: 1]
08/May/2015 10:27:16 [src/Utils.cpp:277] User changed to nobody
08/May/2015 10:27:16 [src/main.cpp:227] PID stored in file /var/tmp/ntopng.pid
08/May/2015 10:27:16 [src/HTTPserver.cpp:449] HTTPS Disabled: missing SSL certificate /tmp/ntopng/httpdocs/ssl/ntopng-cert.pem
08/May/2015 10:27:16 [src/HTTPserver.cpp:451] Please read https://svn.ntop.org/svn/ntop/trunk/ntopng/README.SSL if you want to enable SSL.
08/May/2015 10:27:16 [src/HTTPserver.cpp:486] ERROR: Unable to start HTTP server (IPv4) on ports 666
pi@raspberrypi /tmp/ntopng $

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i'ts ok

I just discovered Raspbian (August image) has no IPv6 enabled by default.

To solve this, I used "sudo nano /etc/modules", added "ipv6" at the end, and rebooted.

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@chris4269 commit b72bba5 should add a workaround which should allow you to now use ntopng even with IPv6 disabled

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