Closed port for torrent with no iptables.rules

I have a home system with internet connection over a router. Firewall in the router seems to be disabled. I had installed guarddog and selected all the protocols that I need. There is no iptables in deamons line of rc.conf nor there is any iptables.rules files. There are 2 files in /etc/iptables, empty.rules and simple_firewall.rules. So, I wonder if any firewall is working at all in my system since guarddog is a frontend to iptables (i guess) and also is there any need for firewall since almost all the ports are closed.
Secondly, the main issue. I was using ktorrent and it was working fine until a few days ago. Now, bittorrent is not working. its not connecting at all. I tried deluge from community repo and tested the ports with http://www.deluge-torrent.org/test-port.php?port=6881 and it gave me this result:
TCP port 6881 closed on 121.247.200.189
UDP port 6881 open on 121.247.200.189
121.247.200.189 seems to be the ip of my isp as I got a dynamic one.
I am able to reach surf net but not able to download using bitorrent, however, both is possible in windows.
Taking clue from forum, i did nmap.
nmap on my router
[shantanu@bluehead ~]$ nmap 192.168.1.1
Starting Nmap 4.20 ( http://insecure.org ) at 2007-06-25 20:49 IST
Interesting ports on 192.168.1.1:
Not shown: 1679 filtered ports
PORT STATE SERVICE
21/tcp open ftp
23/tcp open telnet
53/tcp closed domain
80/tcp open http
443/tcp closed https
554/tcp closed rtsp
1755/tcp closed wms
2401/tcp closed cvspserver
5000/tcp closed UPnP
5001/tcp closed commplex-link
5050/tcp closed mmcc
6881/tcp closed bittorent-tracker
6969/tcp closed acmsoda
7070/tcp closed realserver
8000/tcp closed http-alt
8080/tcp closed http-proxy
8888/tcp closed sun-answerbook
11371/tcp closed pksd
Nmap finished: 1 IP address (1 host up) scanned in 27.653 seconds
nmap on my ip
[shantanu@bluehead ~]$ nmap 192.168.1.5
Starting Nmap 4.20 ( http://insecure.org ) at 2007-06-25 20:48 IST
Interesting ports on 192.168.1.5:
Not shown: 1696 closed ports
PORT STATE SERVICE
6000/tcp open X11
Nmap finished: 1 IP address (1 host up) scanned in 0.519 seconds
nmap on isp's ip displayed above.
[shantanu@bluehead ~]$ nmap 121.247.200.189
Starting Nmap 4.20 ( http://insecure.org ) at 2007-06-25 20:50 IST
Interesting ports on 121.247.200.189.bang-dynamic-bb.vsnl.net.in (121.247.200.189):
Not shown: 1679 filtered ports
PORT STATE SERVICE
21/tcp open ftp
23/tcp open telnet
53/tcp closed domain
80/tcp open http
443/tcp closed https
554/tcp closed rtsp
1755/tcp closed wms
2401/tcp closed cvspserver
5000/tcp closed UPnP
5001/tcp closed commplex-link
5050/tcp closed mmcc
6881/tcp closed bittorent-tracker
6969/tcp closed acmsoda
7070/tcp closed realserver
8000/tcp closed http-alt
8080/tcp closed http-proxy
8888/tcp closed sun-answerbook
11371/tcp closed pksd
Nmap finished: 1 IP address (1 host up) scanned in 30.573 seconds
Everywhere the bittorrent port seems to be closed. [b]How do I open this port?.[b/]
Last edited by ravisghosh (2007-06-25 21:09:55)

@madeye, first of all I used utorrent in Then I tried as you [shantanu@bluehead Chain INPUT (policy DROP)
target prot opt source ACCEPT 0 -- anywhere ACCEPT udp -- anywhere ACCEPT 0 -- 192.168.1.5 logaborted tcp -- anywhere ACCEPT 0 -- anywhere ACCEPT icmp -- anywhere ACCEPT icmp -- anywhere ACCEPT icmp -- anywhere nicfilt 0 -- anywhere srcfilt 0 -- anywhere Chain FORWARD (policy DROP)
target prot opt source ACCEPT 0 -- anywhere ACCEPT icmp -- anywhere ACCEPT icmp -- anywhere ACCEPT icmp -- anywhere srcfilt 0 -- anywhere Chain OUTPUT (policy DROP)
target prot opt source ACCEPT 0 -- anywhere ACCEPT udp -- anywhere ACCEPT 0 -- anywhere ACCEPT icmp -- anywhere ACCEPT icmp -- anywhere ACCEPT icmp -- anywhere s1 0 -- anywhere Chain f0to1 (3 references)
target prot opt source ACCEPT udp -- anywhere ACCEPT icmp -- anywhere ACCEPT tcp -- anywhere logdrop 0 -- anywhere Chain f1to0 (1 references)
target prot opt source ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere ACCEPT udp -- anywhere ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere ACCEPT udp -- anywhere ACCEPT tcp -- anywhere ACCEPT udp -- anywhere ACCEPT icmp -- anywhere ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere ACCEPT tcp -- anywhere logdrop 0 -- anywhere Chain logaborted (1 references)
target prot opt source logaborted2 0 -- anywhere LOG 0 -- anywhere Chain logaborted2 (1 references)
target prot opt source LOG 0 -- anywhere ACCEPT 0 -- anywhere Chain logdrop (4 references)
target prot opt source logdrop2 0 -- anywhere LOG 0 -- anywhere DROP 0 -- anywhere Chain logdrop2 (1 references)
target prot opt source LOG 0 -- anywhere DROP 0 -- anywhere Chain logreject (0 references)
target prot opt source logreject2 0 -- anywhere LOG 0 -- anywhere REJECT tcp -- anywhere REJECT udp -- anywhere DROP 0 -- anywhere Chain logreject2 (1 references)
target prot opt source LOG 0 -- anywhere REJECT tcp -- anywhere REJECT udp -- anywhere DROP 0 -- anywhere Chain nicfilt (1 references)
target prot opt source RETURN 0 -- anywhere RETURN 0 -- anywhere RETURN 0 -- anywhere logdrop 0 -- anywhere Chain s0 (1 references)
target prot opt source f0to1 0 -- anywhere f0to1 0 -- anywhere f0to1 0 -- anywhere logdrop 0 -- anywhere Chain s1 (1 references)
target prot opt source f1to0 0 -- anywhere Chain srcfilt (2 references)
target prot opt source s0 0 -- anywhere That means iptables I removed guarding Removed iptables and Last edited by thanks a lot for such elaborate help.
windows and u r very much right that it uses UPnP. In deluge (bt client on arch), UPnP was there but disabled (shaded). Hence, I tried running utorrent using wine and it gave a error message "Unable to map UPnP port' and is not able to connect. So, UPnP is not working in my box.
suggested "iptables -L" and it gave me the following results.
~]$ sudo iptables -L
destination
anywhere
anywhere udp spt:bootps dpt:bootpc
192.168.1.255
anywhere state RELATED,ESTABLISHED tcp flags:RST/RST
anywhere state RELATED,ESTABLISHED
anywhere icmp destination-unreachable
anywhere icmp time-exceeded
anywhere icmp parameter-problem
anywhere
anywhere
destination
anywhere state RELATED,ESTABLISHED
anywhere icmp destination-unreachable
anywhere icmp time-exceeded
anywhere icmp parameter-problem
anywhere
destination
anywhere
anywhere udp spt:bootpc dpt:bootps
anywhere state RELATED,ESTABLISHED
anywhere icmp destination-unreachable
anywhere icmp time-exceeded
anywhere icmp parameter-problem
anywhere
destination
anywhere udp dpts:6970:7170
anywhere icmp echo-reply
anywhere tcp spts:1024:65535 dpts:6881:6889 state NEW
anywhere
destination
anywhere tcp spts:1024:5999 dpt:6969 state NEW
anywhere tcp spts:1024:5999 dpt:http state NEW
anywhere tcp spts:1024:5999 dpt:http-alt state NEW
anywhere tcp spts:1024:5999 dpt:8008 state NEW
anywhere tcp spts:1024:5999 dpt:8000 state NEW
anywhere tcp spts:1024:5999 dpt:8888 state NEW
anywhere tcp spts:1024:5999 dpt:ftp state NEW
anywhere tcp spts:1024:5999 dpt:https state NEW
anywhere tcp dpt:rtsp state NEW
anywhere tcp dpt:7070 state NEW
anywhere tcp spts:1024:5999 dpt:cvspserver state NEW
anywhere tcp dpt:1755 state NEW
anywhere udp dpt:1755
anywhere tcp spts:1024:5999 dpt:11371 state NEW
anywhere tcp spts:1024:5999 dpt:5050 state NEW
anywhere tcp spts:1024:5999 dpt:telnet state NEW
anywhere tcp spts:1024:5999 dpts:5000:5001 state NEW
anywhere udp spts:1024:5999 dpt:5000
anywhere tcp dpt:domain state NEW
anywhere udp dpt:domain
anywhere icmp echo-request
anywhere tcp spts:1024:5999 dpt:5222 state NEW
anywhere tcp spts:1024:5999 dpt:5223 state NEW
anywhere tcp spts:1024:5999 dpts:6881:6889 state NEW
anywhere
destination
anywhere limit: avg 1/sec burst 10
anywhere limit: avg 2/min burst 1 LOG level warning prefix `LIMITED '
destination
anywhere LOG level warning tcp-sequence tcp-options ip-options prefix `ABORTED '
anywhere state RELATED,ESTABLISHED
destination
anywhere limit: avg 1/sec burst 10
anywhere limit: avg 2/min burst 1 LOG level warning prefix `LIMITED '
anywhere
destination
anywhere LOG level warning tcp-sequence tcp-options ip-options prefix `DROPPED '
anywhere
destination
anywhere limit: avg 1/sec burst 10
anywhere limit: avg 2/min burst 1 LOG level warning prefix `LIMITED '
anywhere reject-with tcp-reset
anywhere reject-with icmp-port-unreachable
anywhere
destination
anywhere LOG level warning tcp-sequence tcp-options ip-options prefix `REJECTED '
anywhere reject-with tcp-reset
anywhere reject-with icmp-port-unreachable
anywhere
destination
anywhere
anywhere
anywhere
anywhere
destination
192.168.1.5
192.168.1.255
bluehead.localdomain
anywhere
destination
anywhere
destination
anywhere
is not disabled and that firewall rules are setup by guarddog.
using "pacman -Rns guarddog" and rebooted. Still get the same results with utorrent and "iptables -L" and also the port test shows tcp 6881 is still closed.
now bt clients seems to be able to connect and it works; however, port test still shows tcp 6881 closed.
ravisghosh (2007-06-27 16:51:12)

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Well looks like I fixed my own problem.
I added a LOG target in the PREROUTING chain like so
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dan-netbook kernel: cheesy-redirectIN=br0 OUT= PHYSIN=eth0 MAC=00:26:18:73:ea:28:00:09:5b:5d:0a:33:08:00 SRC=178.102.41.92 DST=192.168.0.3 LEN=52 TOS=0x00 PREC=0x00 TTL=46 ID=51411 DF PROTO=TCP SPT=48219 DPT=80 WINDOW=49640 RES=0x00 SYN URGP=0
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cheesy-redirectIN=br0 OUT= PHYSIN=eth0 MAC=00:25:d3:46:4d:0d:00:09:5b:5d:0a:33:08:00 SRC=178.102.41.92 DST=192.168.0.8 LEN=52 TOS=0x00 PREC=0x00 TTL=46 ID=65326 DF PROTO=TCP SPT=33597 DPT=80 WINDOW=49640 RES=0x00 SYN URGP=0
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# Completed on Sun Dec 28 02:16:10 2014
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bleach wrote:
look at your filters you accept everything
:INPUT ACCEPT [323:24107]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [152:13348]
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then your current(92.168.88.0/24 -j ACCEPT) forwarding will go through but not other things.
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*filter
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# Completed on Mon Dec 29 03:36:02 2014
# Generated by iptables-save v1.4.21 on Mon Dec 29 03:36:02 2014
*nat
:PREROUTING ACCEPT [389:94808]
:INPUT ACCEPT [1:60]
:OUTPUT ACCEPT [1:72]
:POSTROUTING ACCEPT [1:72]
-A POSTROUTING -s 192.168.88.0/24 -o wlp3s0 -j MASQUERADE
COMMIT
# Completed on Mon Dec 29 03:36:02 2014
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Hi,
You need to open firewall ports from 161-168. Also take a look at /var/opt/SUNWsymon/cfg/domain-config.x and make sure to open any ports within the "snmpPort" line of that file.
Take a look at this post on how to configure firewall ports for console to server communication: [http://forums.halcyoninc.com/showthread.php?t=7]
If you still have problems with adding the agents, you can take a look at the following post on troubleshooting agent icon creation: [http://forums.halcyoninc.com/showthread.php?t=92]
If you are using agents in NAT mode, it may not work very well as alarms would not show in the alarms tab. Please take a look at the following posts regarding this issue:
[http://forums.halcyoninc.com/showthread.php?t=186]
[http://forums.sun.com/thread.jspa?forumID=854&threadID=5363460]
Pegah Garousi, Halcyon Monitoring Solutions
[email protected]
http://www.HalcyonInc.com

I have a current 2TB Time Capsule. I would like to add more ethernet ports for needed expansion. Will an Airport Extreme conflict with the Time Capsule for needed ethernet ports and will wireless from both units conflict?

I own a current 2TB Time Capsule and I need to expand my network system to include more ethernet (wired) ports. I am considering an Airport Extreme that would give me enough wired ports. Will the wireless capabilities of both units conflict with each other? I only need one wireless network. Thank you for any help.

While you could certainly add an AirPort Extreme to provide additional Ethernet ports, you could also save about $150 by purchasing an inexpensive switch, such as one of these:
http://www.amazon.com/D-Link-DGS-1005G-5-Port-Gigabit-Desktop/dp/B003X7TRWE/
http://www.amazon.com/TRENDnet-Unmanaged-GREENnet-Auto-Negotiation-Auto-MDIX/dp/ B001QUA6R0/
Consumer grade Ethernet switches typically come in five and eight port configurations. Just be aware that a five port switch only conveys the ability to add three additional devices. An eight port switch conveys the ability to add six additional devices.
An 8 port switch provides twice the capacity of a 5 port switch for considerably less than twice the cost. The price difference between the two is often only $10 or so.
I just checked, the 8 port version of the Trendnet switch above costs exactly $4 more.
An AirPort Extreme is a very flexible full featured wireless router, and would provide three additional LAN ports for wired devices. If all you need is a few more ports though, it's overkill.

I got an Ipod shuffle because I have two cars with USB port for mp3. It doesn't work. Can it ever?

I got an Ipod shuffle because I have two cars with USB port for mp3. It doesn't work. Can it ever?

im not shure but if you get an 3.5 mm sterio headphone jack and plug that in your car and shuffle it should work just as good

Closed port for torrent with no iptables.rules

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