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Cannot open any ports via NAT or firewall rule but existing ones work?

Hi All - I am trying to enable remote access for the Plex server and it requires the opening of ports in the 32xx range.

I enabled the following DNAT rule: TCP 1:65535 → 32400.

Unfortunately the port remains closed when testing using this site and on Plex Server's network config:
Open Port Check Tool

I tried a variety of port numbers and none of them seemed to work which is very baffling. As a last resort, I tried some common port used by RDP such as 3389 and the connection worked....

Lastly, I am also using the following rule on my UTM:

Internal (Network) -> any -> any

I've also reviewed the firewall log and below is the dropped packet:

2015:10:19-12:30:19 homestation ulogd[6592]: id="2001" severity="info" sys="SecureNet" sub="packetfilter" name="Packet dropped" action="drop" fwrule="60001" initf="ppp0" srcip="54.193.168.189" dstip="24.140.238.16" proto="6" length="60" tos="0x00" prec="0x00" ttl="47" srcport="2985" dstport="32400" tcpflags="SYN"

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0 Damien KTORZA over 6 years ago

Hi team,

me too have truble with plex.

I'm read many thread for plex.

My configuration:

Web Filtering is enable, i'm testing without.

I tear my hair......
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0 brunomc over 6 years ago in reply to Damien KTORZA

Hi,

It plex thats buggy. Make sure everything is set like you described.

then set port in plex ,click apply, WAIT patiently, you then get the screen as you show, now LOGOUT of plex (yes logout) log back in and go to the settings again it should appaer as working.

Oddly enough just restarting plex doesnt work.

I just tried this a few times as i had my port set to 32400 first but wanted to test it. you do need to logout plex and log back in.

and your settings are correct! you can ignore balfson (with all respect and its good advice) plex is just a weird thing. try the logging in and out of plex should work tested it here 5 times.

it is true what balfson said that if you just use external a device to connect to plex it will work apparently the plex test is very very odd and buggy and many users bang their head on that plextest screen.
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0 Damien KTORZA over 6 years ago in reply to brunomc

It's a joke!
I reboot the PC and it works

a joke !

I never saw that with plex

In any case thank you for your reply

I try now with IPS enable.
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0 brunomc over 6 years ago in reply to Damien KTORZA

Plex is very buggy :) work in progress.
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0 Damien KTORZA over 6 years ago in reply to brunomc

Very buggy yes !

After enable IPS acces outside is K.O.

A rule of exclusion may be ?
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0 brunomc over 6 years ago in reply to Damien KTORZA

hi,

i did not do that and have ips on and plex still works.

You did try with external device ? (mobile or so) as the plex test page will always crap out (making again necessary to reboot plex or logout log in)

What appears in the utm log ?
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0 Damien KTORZA over 6 years ago in reply to brunomc

It is no longer accessible from my smartphone

I do not know or look there's a lot of option for logs
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0 Damien KTORZA over 6 years ago in reply to Damien KTORZA

I'm use plex server Version 1.5.6.3790 on windows, Windows and UTM en with VMWare for testinf before deployment
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0 BAlfson over 6 years ago in reply to Damien KTORZA

To find out what's blocking plex, do #1 in Rulz.

Cheers - Bob

Sophos UTM Community Moderator
Sophos Certified Architect - UTM
Sophos Certified Engineer - XG
Gold Solution Partner since 2005

MediaSoft, Inc. USA
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0 Damien KTORZA over 6 years ago in reply to BAlfson

Hi, for logs I have:

IP: 54.229.139.33 she's from Irland but country blocked with firewall

I have rule:
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0 Damien KTORZA over 6 years ago in reply to Damien KTORZA

IP:	54.229.139.33
Decimal:	921013025
Hostname:	ec2-54-229-139-33.eu-west-1.compute.amazonaws.com
ASN:	16509
ISP:	Amazon.com
Organization:	Amazon.com
Services:	None detected
Type:	Broadband
Assignment:	Static IP
Blacklist:

Geolocation Information

Continent:	Europe
Country:	Ireland
State/Region:	Leinster
City:	Dublin
Latitude:	53.3389 (53° 20′ 20.04″ N)
Longitude:	-6.2595 (6° 15′ 34.20″ W)

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0 Damien KTORZA over 6 years ago in reply to Damien KTORZA

IP:	54.229.139.33
Decimal:	921013025
Hostname:	ec2-54-229-139-33.eu-west-1.compute.amazonaws.com
ASN:	16509
ISP:	Amazon.com
Organization:	Amazon.com
Services:	None detected
Type:	Broadband
Assignment:	Static IP
Blacklist:

Geolocation Information

Continent:	Europe
Country:	Ireland
State/Region:	Leinster
City:	Dublin
Latitude:	53.3389 (53° 20′ 20.04″ N)
Longitude:	-6.2595 (6° 15′ 34.20″ W)

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