Opening up a port in ASA5505

Hi!
I have an ASA5505 running 8.2(5) and it works fine with a simple config (thanks JF). However, behind it, a NAS is set to download stuff automatically somehow using port 51413. It seems this has stopped working.
How do I open that port to a specific internal IP?
D

Hi!
OK, I have more info: t is a Bittorrent client on a Readynas. With this plain config (below) I was thinking it would work, but no.
I can only find guides to block .torrent, how about the opposite?
D
: Saved
ASA Version 8.2(5)
hostname ciscoasa
enable password 8Ry2YjIyt7RRXU24 encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
names
interface Ethernet0/0
description WAN
switchport access vlan 2
interface Ethernet0/1
description LAN
interface Ethernet0/2
interface Ethernet0/3
interface Ethernet0/4
interface Ethernet0/5
interface Ethernet0/6
interface Ethernet0/7
interface Vlan1
nameif inside
security-level 100
ip address 10.0.1.10 255.255.255.0
interface Vlan2
nameif outside
security-level 0
ip address dhcp setroute
ftp mode passive
access-list INSIDE-IN remark Allow all traffic from LAN
access-list INSIDE-IN extended permit ip 10.0.1.0 255.255.255.0 any
pager lines 24
logging enable
logging asdm informational
mtu inside 1500
mtu outside 1500
icmp unreachable rate-limit 1 burst-size 1
no asdm history enable
arp timeout 14400
global (inside) 1 10.0.1.0
global (outside) 1 interface
nat (inside) 1 10.0.1.0 255.255.255.0
nat (inside) 1 0.0.0.0 0.0.0.0
access-group INSIDE-IN in interface inside
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00
timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00
timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
timeout tcp-proxy-reassembly 0:01:00
timeout floating-conn 0:00:00
dynamic-access-policy-record DfltAccessPolicy
http server enable
http 192.168.1.0 255.255.255.0 inside
http 10.0.1.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
sysopt noproxyarp inside
crypto ipsec security-association lifetime seconds 28800
crypto ipsec security-association lifetime kilobytes 4608000
telnet timeout 5
ssh timeout 5
console timeout 0
dhcpd dns 195.67.199.15 195.67.199.16
dhcpd address 10.0.1.65-10.0.1.95 inside
dhcpd enable inside
threat-detection basic-threat
threat-detection statistics access-list
threat-detection statistics tcp-intercept rate-interval 30 burst-rate 400 average-rate 200
webvpn
class-map inspection_default
match default-inspection-traffic
policy-map type inspect dns preset_dns_map
parameters
message-length maximum client auto
message-length maximum 512
policy-map global_policy
class inspection_default
inspect dns preset_dns_map
inspect ftp
inspect h323 h225
inspect h323 ras
inspect rsh
inspect rtsp
inspect esmtp
inspect sqlnet
inspect skinny
inspect sunrpc
inspect xdmcp
inspect sip
inspect netbios
inspect tftp
inspect ip-options
inspect icmp
inspect icmp error
service-policy global_policy global
prompt hostname context
no call-home reporting anonymous
Cryptochecksum:b28d2a8848db95e9836702a28b692078
: end
no asdm history enable

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As the title suggests...
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1.Can I Isolate external access to the IIS server only, and shield access to the rest of the physical (windows) machine ?
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http://technet.microsoft.com/en-us/library/dd448559(v=WS.10).aspx
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http://technet.microsoft.com/en-us/library/ff823783.aspx
Best Regards,
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Please remember to mark the replies as answers if they help and un-mark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

How to open the comm ports?

Hi,
im using javacomm to detect my comm ports.i have two serial
and a parallel port (com1,com2 and LPT1) but it found no ports and throws
as follows,
found: javax.comm.CommPortEnumerator@e83912
found: 0 open ports
i placed .properties file in ..\jdk1.5.0\jre\lib
comm jar file in ..\jdk1.5.0\jre\lib\ext
and WIN32COM.DLL in ..jre\bin
am i doing right?
Here is the code,
import javax.comm.CommPortIdentifier;
import javax.comm.SerialPort;
import javax.comm.PortInUseException;
import java.util.Enumeration;
import java.util.Vector;
public class TestEnumeration {
public static void main(String args[]) {
Vector portslist = TestEnumeration.getAvailableSerialPorts();
System.out.println("found: "+portslist.size()+" open ports");
public static Vector getAvailableSerialPorts() {
CommPortIdentifier pId=null;
SerialPort sPort=null;
Enumeration pList=null;
boolean foundport=false;
pList = CommPortIdentifier.getPortIdentifiers();
String port=null;
Vector ports=new Vector();
if(!pList.hasMoreElements()) {
System.out.println("found: "+pList);
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while (pList.hasMoreElements()) {
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if (pId.getPortType() == CommPortIdentifier.PORT_SERIAL) {
foundport=true;
try {
sPort = (SerialPort)pId.open("serialport", 1000);
} catch (PortInUseException e) {
foundport=false;
System.out.println(pId.getName()+ " is closed");
} finally {
if(sPort!=null) {
try { sPort.close(); } catch(Exception e) {}
if(foundport) {
ports.add(pId.getName());
System.out.println(pId.getName()+ " is open");
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please help me on how to open the comm ports..

Try this, It workd for me. Before doing this make sure you have serial ports on you r computer by following these steps:
open "regedit"
go to "HKEY_LOCAL_MACHINE" > HARDWARE > DEVICEMAP
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class SimpleRead() {
portList = CommPortIdentifier.getPortIdentifiers();
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     if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) {
          if (portId.getName().equals(defaultPort)) {
          System.out.println("Found port: "+defaultPort);
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          SimpleRead reader = new SimpleRead();
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}

Is firefox Hello (v36.0) automatically opening a listening port when starting up? Is this a security risk?

After updating to firefox 36, windows firewall offered to block firefox. That usually happens when a program opens a port to accept INCOMING connections. Currently I have blocked it!
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Have fun

Mozilla Firefox is very security conscious and privacy aware.
Some of the connections made are intended to increase security by ensuring everything is updated.
See
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* [[How to stop Firefox from automatically making connections without my permission]]
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Error : Can't open local data port

Hello:
I�d like present this problem to yours:
I am executing two files Client/Server into my own PC, using two DOS console different, this one to Client an another to Server.
I got this error:
Output of the CLient (DOS Console of the client)
C:\RUN\EX14>java AVReceive2 1.1.9.147/45300
- Open RTP session for: addr: 1.1.9.147 port: 45300 ttl: 1
- Waiting for RTP data to arrive...
- Waiting for RTP data to arrive...
- A new participant had just joined: mpalacios@mpv
- Waiting for RTP data to arrive...
- Waiting for RTP data to arrive...
Output of the Server (DOS Console of the Server)
C:\RUN\EX14>java AVTransmit2 file:/c:/run/format/au/drip.au 1.1.9.147 45300
Track 0 is set to transmit as:
ULAW/rtp, 8000.0 Hz, 8-bit, Mono, FrameSize=8 bits
Error : Can't open local data port: 45300
Well, 1.1.9.147 is the IP address of my PC.
So, What�s the problem?
If you need of the rest of code, please say me.
Thanks.
Angel.

Well, I am agree with you, but I have this code in the Transmit File (Server):
* Use the RTPManager API to create sessions for each media track of the processor.
private String createTransmitter() {
     // Cheated. Should have checked the type.
     PushBufferDataSource pbds = (PushBufferDataSource)dataOutput;
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     rtpMgrs = new RTPManager[pbss.length];
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     InetAddress ipAddr;
     SendStream sendStream;
     int port;
     SourceDescription srcDesList[];
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     try {
          rtpMgrs[i] = RTPManager.newInstance();
//The local session address will be created on the
// same port as the the target port. This is necessary
// if you use AVTransmit2 in conjunction with JMStudio.
// JMStudio assumes - in a unicast session - that the
// transmitter transmits from the same port it is receiving
// on and sends RTCP Receiver Reports back to this port of
// the transmitting host.
          port = portBase + 2*i;
          ipAddr = InetAddress.getByName(ipAddress);
          localAddr = new SessionAddress( InetAddress.getLocalHost(),
                                   port);
          destAddr = new SessionAddress( ipAddr,
                              port);
          rtpMgrs.initialize( localAddr);
          rtpMgrs[i].addTarget( destAddr);
          System.err.println( "Created RTP session: " + ipAddress + " " + port);
          sendStream = rtpMgrs[i].createSendStream(dataOutput, i);
          sendStream.start();
     } catch (Exception e) {
          return e.getMessage();
     return null;
When I use this Files (Client/Server), between diffrent PCs into LAN, eg, Client (One PC) and Server (Another PC), but I used:
This One PC: (IP Address PC = 1.1.9.150)
C:\run\ex14\java AVTransmit2 file:/c:/run/format/audrip.au 1.1.9.147 45300
Another PC:(IP Address PC = 1.1.9.147)
C:\run\ex14\java AVReceive2 1.1.9.147/45300
That�s work right!
So, what�s happen?

Customer cannot open all the ports - MAP 9.5

Hi,
Taking an inventory using MAP 9.5.
Customer cannot open all the ports.
135-139 and 445 are open.
We are still not getting any success [just 3% inventory success]. Further only those machines are listed in WMI Success which are in the same subnet as the machine on which MAP is running.
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Try This...
Close All Open Apps... Perform a Reset... Try again...
Reset ( No Data will be Lost )
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http://support.apple.com/kb/ht1430
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RTP Cannot open local data port

Hello,
I'm about to learn JMF. So I tried the example code from the sun JMF documentation(example10-1; code is appended).
The code compiles without errors but when I run it, I alway get the following error:
streams is [Lcom.sun.media.multiplexer.RawBufferMux$RawBufferSourceStream;@b9b538 : 1
sink: setOutputLocator rtp://192.168.0.6:49150/audio/1
java.io.IOException: Can't open local data port: 4800
        at com.sun.media.datasink.rtp.Handler.open(Handler.java:139)
        at Send.<init>(Send.java:60)
        at Send.main(Send.java:71)
What does that mean and what causes that kind of exception?
Thanks in advance.
MfG
Michael
****Code starts here****
class Send {
   public Send() {
      AudioFormat format = new AudioFormat(AudioFormat.LINEAR, 8000, 16, 1);
      Vector devices = CaptureDeviceManager.getDeviceList(null);
      System.out.println("DEBUG: CaptureDeviceManager returned " + devices.size() + " devices");
      CaptureDeviceInfo di = null;
      Processor p = null;
      if(devices.size() > 0)
      di = (CaptureDeviceInfo) devices.elementAt(0);
      else
      System.exit(-1);
      System.out.println("Found: " + di.toString());
      try {
      p = Manager.createProcessor(di.getLocator());
      } catch(Exception e) {
     e.printStackTrace();
     System.exit(-1);
p.configure();
TrackControl tracks[] = p.getTrackControls();
p.setContentDescriptor(new ContentDescriptor(ContentDescriptor.RAW));
boolean encodingOk=false;
for(int i=0; i < tracks.length; i++) {
     if(!encodingOk && tracks[i] instanceof FormatControl) {
     if( ( (FormatControl)tracks[i] ).setFormat(new AudioFormat(AudioFormat.GSM_RTP, 8000, 16, 1))==null )
     tracks.setEnabled(false);
     encodingOk = true;
     else
     tracks[i].setEnabled(false);
} //for
if(encodingOk) {
     p.realize();
     DataSource source = null;
     try { Thread.sleep(1000); } catch(InterruptedException e){}
     try {
     source = p.getDataOutput();
     } catch(NotRealizedError e) {
     System.out.println("*** ERROR: Cannot realize");
     //System.exit(-1);
     try {
     String url = "rtp://192.168.0.6:49150/audio/1";
     System.out.println(url);
     MediaLocator m = new MediaLocator(url);
     DataSink sink = Manager.createDataSink(source, m);
     sink.open();
     sink.start();
     } catch(Exception e) {
     System.out.println("*** ERROR: ");
     e.printStackTrace();
     System.exit(-1);
} // if
public static void main(String[] args) {
new Send();

Hello,
I tried to change the port number to 22222, 66666 and 49150. With the same effekt. I found out that when I run the program for the first time after a reboot I get these errors:
javax.media.NotConfiguredError: getTrackControls cannot be called before configured
at com.sun.media.ProcessEngine.getTrackControls(ProcessEngine.java:285)
at com.sun.media.MediaProcessor.getTrackControls(MediaProcessor.java:107)
at Send.<init>(Send.java:29)
at Send.main(Send.java:71)
Exception in thread "main" javax.media.NotConfiguredError: getTrackControls cannot be called before configured
at com.sun.media.ProcessEngine.getTrackControls(ProcessEngine.java:285)
at com.sun.media.MediaProcessor.getTrackControls(MediaProcessor.java:107)
at Send.<init>(Send.java:29)
at Send.main(Send.java:71)
I have to quit the program with Ctrl-c. The next time I run it I get the IOException as described above :( .
MfG
Michael

Help me ! "can not open local data port"

I have successfully ended the previous transmit,but wen I began a new transmit,it failed. It printed "can't open local data port ",why?
Is it telling that the port is still in use???
And how can I solve this problem?
Anyone help me?
Thanks very much,
yyc

Hi,
this problem occurs when You try to open the same port twice time, You can solve it by opening other port.

Cannot create the RTP Session: Can't open local data port

Hi,
I'm trying to connect to two webcams simultaneously in the order:
MediaLocator inputLocator1 = new MediaLocator("rtp://hostname1:8000/video");
MediaLocator inputLocator2 = new MediaLocator("rtp://hostname2:8000/video");
But I get this during the second connection:
Cannot create the RTP Session: Can't open local data port: 8000
And I can't see the video from hostname2.
I did a check via netstat, and it seems that both mycomputer is receiving the video from both hostname1 & hostname2:
TCP mycomputer:3236 hostname1:8000 ESTABLISHED
TCP mycomputer:3264 hostname2:8000 ESTABLISHED
TCP connections to both host were established!! But why can't I see the video of hostname2???? I've thought of 2 possible reasons why I cannot see the video of hostname2:
1. Is this set of local data port maintained by Java? i.e It's not the same as the TCP port 8000 that I see in mycomputer's netstat. If yes, Java has assigned its local data port 8000 to hostname1, so it fails to reassign that port 8000 to hostname2 while hostname1 is still connected. Any other way to fix this apart from changing the portnumber of hostname2?
2. It has to do with the custom.jar? I've read in an article somewhere in the forum that the custom.jar has to be customized (using JFMCustomizer) to receive video from two hosts with the same portnumber. Can someone elaborate the necessary boxes to check in the JFMCustomizer?
Thanks much,
Rach

After all this while, I finally figured out the problem. In my code, I use MediaLocator to code the receiver and the transmitter. E.g.:
MediaLocator inputLocator1 = new MediaLocator("rtp://hostname1:8000/video");
player1 = Manager.createPlayer(inputLocator1)
MediaLocator inputLocator2 = new MediaLocator("rtp://hostname2:8000/video");
player2 = Manager.createPlayer(inputLocator2)
Manager would complain "Cannot create the RTP Session: Can't open local data port: 8000" because port 8000 is already used up by player1, i.e.:
mycomputer:8000 maps to hostname1:8000
mycomputer:8000 cannot re-map to hostname2:8000
To work around this, I'll need to use SessionAddress. SessionAddress provides the flexibility to do an independent local port mapping, e.g.:
mycomputer:5000 maps to hostname1:8000
mycomputer:5002 maps to hostname2:8000
Rach

Opening up a port in ASA5505

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