Entering UDP and TCP numbers

^^^ Just need help with that, its for my PS3, i called Sony after getting DNS errors(80710102) and they told me i need to enter the numbers they gave me, i just want to know were to pit them... And my router is a WRT54G btw...
Message Edited by Gran_Turismo on 06-28-2007 10:39 PM

from the computer wired to the router , access the web interface of the router using http://192.168.1.1 .. the default password is "admin"...once on the ui go to the "applications and gaming" tab and click on the "port trigerring" subtab .. enter the port numbers on this page ..

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BEFW11S4 UDP AND TCP PORT opening

How do i open UDP AND TCP ports specifically TCP ports: 80, 6667, 28910, 29900, 29920
UDP ports: 4321, 27900 Its for a networkable game i need to open these ports to play it.

Ok But when i try disabling the numbers in the forwarding field i run out of spaces in the field to be able to disable them Is there an advanced firewall settings that i dont know about? I put in all of the range forwarding and put the range forwarding start for example 80 originally (TCP ports: 80, 6667, 28910, 29900, 29920
UDP ports: 4321, 27900) The ones i try to disable i run out of fields to disable them in the forwarding for example there are 10 slots for disabling and Im trying to disable them on two numbers 192.168.1.101. and 192.168.1.100 So i need to disable them for both ip numbers I got 10 fields to enter it into them and 10 x 2 is more than the numbers..... You get me?? and on top of that i dont know if what i did was enough Linksys doesnt want to help me without paying 30 dollars so im just thinking i should buy a new router....... i mean they charge 39 dollars for a new router and they want me to pay 39 dollars for tech support it just doesnt make any sense........

UDP and TCP ports

Hi:
I have a question. As we know, scanning TCP ports is a lot eaiser than UDP ports because active UDP ports don't respond and there are other reasons as well.
try{
Socket soc= new Scoket(address, portnumber);
catch(Throwable e){ System.out.println(e)}
look at the code above, it can only tell you active TCP ports for the Throwable e tells you nothing about UDP ports. An active UDP port doesn' respond to the connection call "soc". Therefore it will throw an exception(connection refused) after trying to connect an active UDP port. This exception is just like those of closed TCP ports.
What i am saying is that active UDP ports will be treated the same as closed TCP ports. They are hidden in closed TCP ports. How do i sift them out? Any solutions?

I am basically trying to determine how many UDP and TCP ports on a machine are open. Open TCP ports are easy to see. But UDP ports are tricky. Can you please tell me more in detail using a datagram socket?

Maximum # of UDP and TCP port Mappings

Does anyone know for sure the total number of port mappings you can create on the airport extreme?
Thanks

Ok But when i try disabling the numbers in the forwarding field i run out of spaces in the field to be able to disable them Is there an advanced firewall settings that i dont know about? I put in all of the range forwarding and put the range forwarding start for example 80 originally (TCP ports: 80, 6667, 28910, 29900, 29920
UDP ports: 4321, 27900) The ones i try to disable i run out of fields to disable them in the forwarding for example there are 10 slots for disabling and Im trying to disable them on two numbers 192.168.1.101. and 192.168.1.100 So i need to disable them for both ip numbers I got 10 fields to enter it into them and 10 x 2 is more than the numbers..... You get me?? and on top of that i dont know if what i did was enough Linksys doesnt want to help me without paying 30 dollars so im just thinking i should buy a new router....... i mean they charge 39 dollars for a new router and they want me to pay 39 dollars for tech support it just doesnt make any sense........

Combining UDP and TCP connections

I am trying to build a simple client -server app, where multiple client sends price quotes to a server and the server does some analysis on these numbers and spits it back out to all the clients every 5 seconds or so. Before I start, I want to make sure I am thinking about it correctly. I was thinking that I could have on each client a UDP connection and a TCP connection, the TCP connection would be used to send the quotes to the server. This way I have a live connection and confirmed packet reception from client to server.
The UDP would be used for when the server sends back out the quotes to all the clients, since the server is just sending out back certain ones (the best quotes that is) to all the clients. Does that seem like a reasonable design?

The only reason is because the server should be sending out it's information via datagrams because it wants to send the same message to all the clients. So in my point of view it looks like it would be more efficient to send out one datagram, broadcasted instead of going through each client and sending the same thing, especially when I'm trying to send an update every 5 seconds or so.

How can I open both UDP and TCP ports

Hi,
How can i open both tcp and UDP ports for an IP in Cisco ASA?
Regards
Ejaz

Are you referring to port opening in Cisco ASA to permit certain traffic? I believe the following document should help.
http://www.cisco.com/en/US/docs/security/asa/asa82/configuration/guide/acl_overview.html
Adding a Standard Access List
hostname(config)# access-list access_list_name standard {deny | permit} {any | ip_address mask}
Example:
hostname(config)# access-list OSPF standard permit 192.168.1.0 255.255.255.0
http://www.cisco.com/en/US/docs/security/asa/asa82/configuration/guide/acl_standard.html
Adding an Extended Access List
access-list access_list_name [line line_number] [extended] {deny | permit} protocol source_address mask [operator port] dest_address mask [operator port | icmp_type] [inactive]
Example:
hostname(config)# access-list ACL_IN extended permit ip any any
http://www.cisco.com/en/US/docs/security/asa/asa82/configuration/guide/acl_extended.html
Hope this will help.

UDP and TCP

People told me that data might go lost if I use UDP Protocol, so I have to use TCP.
But I am quite confused cause I read that the data link layer will make sure the data transfers correctly, so I suppose no data would be lost even if I use UDP cause it's based on the link layer.
Can someone solve my puzzle?

But the data link already take care of this. So no
packets should be lost.No.

How to forward UDP on TCP?

Hey everyone,
I'm behind a firewall that blocks all UDP (torrents, games...) requests.
I usually ssh to my server and forward all the trafic to it using a transparent
proxy application (sshuttle). I saw that openvpn handles UDP as well (sshuttle doesn't).
I read the documentation of openvpn but I didn't understand which flags to use
and which not to. Actually I suck at networking and I'm not even sure if the title of the question
is correct (would explain why I couldn't find anything on the forum/online).
So could you please help me out? and sorry for any mistake I did.
Thanks

OpenVPN, has two operating mode: tun and tap. Tun just tunnels IP traffic (UDP and TCP), while Tap acts like a real ethernet cable. To achieve this, OpenVPN has to make a network connection with the remote server. To do so, you have two choices again: UDP and TCP.
What you want is probably tun+tcp, which will make the UDP traffic going into OpenVPN to be transmitted over the TCP connection and go out of the server as UDP.
The config options are
proto tcp
dev tap
The wiki entry (https://wiki.archlinux.org/index.php/Op … ll_OpenVPN) should work fine for you. Just don't forget to use "proto tcp" in both server and client configs. The default setup should be perfectly fine for you.
As noted by brain0, tunelling UDP over TCP will cause higher latency on UDP. It should work fine for torrents, but the latency will be something 1.5x the latency from you and the server + the latency between the server and the final destination of the UDP traffic. Gaming on that might be painful.

UDP vs TCP (hands-on experience required)

Dearest colleagues,
I've done a few hours of research learning what I can about TCP vs UDP. I could still use some input from those of you who have used both in real-world, scaleable, distributed, commercial, and successful projects.
I have a new position at a new company. My part of this project consists of 3 types of distributed Java server programs: desktop client, data server, and controller server. Thousands of desktop clients will be periodically transferring "megs" of data to several data servers. The (singular) controller will persist metadata into a database, and also coordinate data transfer between the desktop clients and the data servers.
TCP seems appropriate for all "control" and metadata communications between all these components. Everyone talks to the controller for everything, except for the periodic transfer of the "actual" data. The desktop clients send that data directly to the appropriate data server using either UDP or TCP.
One key project requirement is the ability to provide network throttling control, so as not to saturate the client's LAN or WAN. This product mustn't disrupt the client's real-time network data (like VoiP and video conferencing). I expect the controller server to manage this.
Someone with more seniority than me at this company has suggested TFTP (which uses UDP) as the best protocol for the data transfer protocol. This person also claims that UDP allows larger packet sizes and less protocol overhead, resulting in greater data transfer rates than TCP.
I have a number of concerns and questions:
1) Can't the packet sizes be set for both UDP and TCP? If so, can't one equal both (in terms of average overhead) just by adjusting the packet sizes?
2) I realize that one needs to accomodate UDP droppage in order to compare throughput with TCP. In a LAN environment is it reasonable to assume that droppage would be minimal or zero? )Otherwise wouldn't it be a LAN problem someone would be fixing?)
3) If #2 above allows me to assume minimal UDP droppage, does the underlying packet protocol overhead difference give UDP a substantial throughput advantage? If so, how much (roughly)?
4) I believe UDP packets are treated as "high priority" but "low reliability". For my application, doesn't that mean that UDP is more likely to cause problems by competing for VoiP and VidCon bandwith?
5) What about trying to write my servers to allow for either UDP or TCP to be
used for data transfer? If you have done this, would you recommend for or against it? Why?
6) If you had to recommend just one book for me for right now (given this project), which would it be:
6a) Java Distributed Computing (O'Reilly) by Jim Farley
6b) Internetworking with TCP/IP by Doug Comer's
6c) Unix Network Programming by Richard Stevens
Being the New Kid on the Block at this company, I need to know all I can as I navigate the politics with this more senior person. I'm no newbie - I've been programming professionally for 27 years, the last 6 in Java including networking, sockets, JDBC, etc.
Thank you very much for your assistance.

Dearest colleagues,
I've done a few hours of research learning what I can
about TCP vs UDP. I could still use some input from
those of you who have used both in real-world,
scaleable, distributed, commercial, and successful
projects.
I have a new position at a new company. My part of
this project consists of 3 types of distributed Java
server programs: desktop client, data server, and
controller server. Thousands of desktop clients will
be periodically transferring "megs" of data to
several data servers. The (singular) controller will
persist metadata into a database, and also coordinate
data transfer between the desktop clients and the
data servers.
TCP seems appropriate for all "control" and metadata
communications between all these components.
Everyone talks to the controller for everything,
, except for the periodic transfer of the "actual"
data. The desktop clients send that data directly to
the appropriate data server using either UDP or TCP.Key feature of TCP is connection orianted and reliablity. If you need long sessions with high reliability TCP is the way to go.
(Long sessions means the client do multiple transaction through same session)
But reliablity of TCP comes at a cost. (Less bandwith efficiency) but of course if you need to transfer data I say TCP is better.
But if you want your clients need to work in unreliable network links (Onse that breakes down often) TCP might cause problems since you have to re establish the connection every time there is a problem.
Also if the sessions are short then UDP is better becouse if you Use TCP for very short sessions Connection establishment and closing can take more time that the actual data transfer.
But if you use UDP you must deal with the unreliability.
One key project requirement is the ability to provide
network throttling control, so as not to saturate the
client's LAN or WAN. This product mustn't disrupt
the client's real-time network data (like VoiP and
video conferencing). I expect the controller server
to manage this.It is true that TCP add more owerhead than UDP but in most cases compaired to the amount of data you transfer through network that is nothing.
Key to save the bandwith is to designe a efficint communication protocol which minimize the amount of data that you have to transfer.
Also you can Implement input/output streams which can limit the number of bytes that can be written or read through them. (Even though that got nothing to do with networking that will give you full control over the bandwidth usage by the programs)
Someone with more seniority than me at this company
has suggested TFTP (which uses UDP) as the best
protocol for the data transfer protocol. This person
also claims that UDP allows larger packet sizes and
less protocol overhead, resulting in greater data
transfer rates than TCP.TFTP is good for transfering small files through networrks since there is less overhead but when it comes to large amounts of data there is no much difference.
But TFTP have a advantage over ureliable networks.
(If the networks fails TCP connection fails, but in UDP a network faliour is just a loss of several datagrams which the programs anyways should be able to handle)
I have a number of concerns and questions:
1) Can't the packet sizes be set for both UDP and
TCP? If so, can't one equal both (in terms of
average overhead) just by adjusting the packet
sizes?In tcp packet size is not a big issue since data are transfered through stream. Once the streams are open you can keep them opena as long as you want and send as many bytes as you want.
2) I realize that one needs to accomodate UDP
droppage in order to compare throughput with TCP. In
a LAN environment is it reasonable to assume that
droppage would be minimal or zero? )Otherwise
wouldn't it be a LAN problem someone would be
fixing?)Even though UPD is said to be unreliable if the programs are written well. In a LAN UDP is almost as areliable as TCP(This is depend on the reliability of LAN)
Thats why it says when you write UDP applications you must test them in slow unreliable Wan links.
3) If #2 above allows me to assume minimal UDP
droppage, does the underlying packet protocol
overhead difference give UDP a substantial throughput
advantage? If so, how much (roughly)?It depends
Ex:-
Lts assume UDB header is 25 bytes and TCP heade is 50 for simplicity
If your data size is 10 byte.
lets say UDP adds overhead of 5 bytes
now the efficiency is 10/(10+25) = 0.38
If TCP adds 10 overhead bytes
now the efficiency is 10/(10+50) = 0.16
lets doa the same calculation for 1000 bytes
UDP
1000/(1000 + 25) = 0.97
TCP
1000/(1000+ 50) = 0.95
So it depends on your application and data volume
4) I believe UDP packets are treated as "high
priority" but "low reliability". For my application,
doesn't that mean that UDP is more likely to cause
problems by competing for VoiP and VidCon bandwith?No Priority is set on IP level so it can be applied to both TCP and UDP
5) What about trying to write my servers to allow
for either UDP or TCP to be
used for data transfer? If you have done this, would
you recommend for or against it? Why?For data transfer I recomend TCP becouse reliability is important.
If you use UDP you have to handle reliability (Lots of programming)
6) If you had to recommend just one book for me for
right now (given this project), which would it be:
6a) Java Distributed Computing (O'Reilly) by Jim
Farley
6b) Internetworking with TCP/IP by Doug Comer's
6c) Unix Network Programming by Richard Stevens
Being the New Kid on the Block at this company, I
need to know all I can as I navigate the politics
with this more senior person. I'm no newbie - I've
been programming professionally for 27 years, the
last 6 in Java including networking, sockets, JDBC,
etc.
Thank you very much for your assistance.

Destinations and TCP Port Numbers for Creative Cloud

Hi
What are the Destination IP's and TCP port numbers that need to be allowed on a firewall to use creative cloud in a secure network?
thanks

Rave wrote:
Hi mccalel,
CS3 is a very very old software and is not a qualifying version for upgrade.
Not sure I follow.
The discounted promotional deal (for the first 12 months) for existing owners of CS3-CS6 suites is what the OP is trying to take advantage of.
https://creative.adobe.com/plans

HT4991 Although I entered info in several Numbers spreadsheets within the last hour, now I can't input info in another. Nor can I go to any others. I'm locked up in one spreadsheet and can't move out of it. Any ideas?

Altho I entered info into several Numbers spreadsheets, I have locked up in another one. Any ideas?

Altho I entered info into several Numbers spreadsheets, I have locked up in another one. Any ideas?

I see people from different ages at my work and every month I need to count how many people from each age I've seen that month. How can I do to give the entries to numbers in a single cell and make numbers count them for me?

I see people from different ages at my work and every month I need to count how many people from each age I've seen that month. How can I do to give the entries to numbers in a single cell and make numbers count them for me? The final result would be a spreadsheet telling there were 8 people from 20 to 39 years old, 14 peolple from 40 to 59 and so on...

jpqcampos wrote:
This appears to be an 'input form' using 'Radio Buttons' to select the category. Neither of these features are supported in Numbers '09.
You can input the data on one table and summarize it on a second table, but the input table will continue to hold data for each event.
And by using the Reorganize button, you can hide all but two rows of that table to approximate the appearance and performance of an input form.
Here are the two tables, Data on the left and Summary on the right. Notes below.
The grey-filled columns in both tables are 'working' columns, and may be hidden (as shown in the image below).
Data table:
D1 contains the word "TRUE" (in capital letters). (This row is always shown.)
D2 is empty, or may contain any value except "TRUE" (This row is always hidden under the Reorganize rule.)The rest of Row 2 of this table requires the data shown: a number outside the range to be counted (999), and two checkboxes, both checked.
D3 (and filled down the rest of column D): =AND(OR(B2,C2),NOT(OR(B3,C3)))
The formula returns TRUE only for the first unused row in the table (ie. the first row for which neither checkbox has been checked)
Summary table:
Column A contains labels for the age ranges to be counted.
Column B contains the same information in the form necessary for the formulas in columns C and D. They need a numeric value, and that value must be the largest acceptable value in the range to be counted.
C2 (and filled right to column D, then both filled down to row 5):
=COUNTIFS(Data :: $A,"<="&$B,Data :: B,TRUE)-SUM(C$1:C1)
Two changes from the previous example:
COUNTIFS is used to separate the Native and Foreign counts as well as the age range to be counted.
The amount subtracted from each result is the SUM of the earlier results, and includes the text value in the first cell of the column (which is interpreted by SUM as a zero).
See note below regarding my earlier formula.
When the greyed columns are hidden and the checkbox in the Reorganize pane is checked, the two tables will appear as shown below:
Close the reorganize pane, and the 'data entry form' is ready to use.
To use, enter the age first, then check one of the boxes.
As soon as one box is checked, the row will be hidden, and the next (unused) row will be shown.
Regards,
Barry
Note regarding formula in my earlier post:
The earlier formula will give erroneous results as it subtracts only the count directly above it from its count of persons in the age range 0-n.
In E2 of that table, replace "-E1" with "-SUM(E1:E$1)
Fill down to E8.
Ignore the instructions (in that post) following "Fill down to E8."
B

Batches and Serial numbers

Hi,
How can i create Batches and Serial numbers for a item in inventory in SAP B1

Hi Sudha,
One of my ckient he purchases Raw Material and converts it into finished good and he want to know the cost which occurs in the process of production and where he can see that in SAP B1 and after it is converted into Finished Good it takes some time to be sold and at that time where can he chek his inventory level .
I think in SAP B1 if we enter a item as a raw material it will be shown as raw material till the time it is sold .
Can u plz help me out in this how should i map his process in SAP B1 is that possible or not.
Regards
Naveen.G

How can i use the SNMP and TCP/IP together in Labview?

I want to use the SNMP and TCP/IP together in the Labview to communicate between the two computers, If anyone know about it , please write back.
Santosh Chavan
IIT MADRAS.

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There is also a problem in using the UDP functions on port 161 (default SNMP port) if the Windows SNMP services is running.

Named ACL and ACE numbering

I created a new extended named ACL and enter a few ACEs numbered 10,20,30,100,110,1000 to give them plenty of space apart. When I reload the switch, the numbering has disappeared and they are all spaced 10 apart. Why does this happen and is there a way to maintain larger spaces? I am thinking that in time I may come to make many modifications to the ACL and the gap between two entries may reduce to nothing. I am not going to reload my switch just to reset the gaps and I would rather not remove the ACL completely and replace it to achieve the same.
thanks for any advice
Chris

The ACL is stored in RAM initially. When you display your access-list for instance you see the seqeunce numbers. When you display your're running configuration you don't see them.
Are you using ip access-list or the traditional access-list?
ip access-list extended Popey
10 permit ip host 10.10.10.10 any
100 permit ip 10.10.20.0 0.0.0.255 any
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Entering UDP and TCP numbers

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