Re: [Q] Tomcat ZoneAlarm?

2003-12-29 Thread epyonne
Just allow Tomcat to access the internet.


- Original Message - 
From: Riaan Oberholzer [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Monday, December 29, 2003 01:14 PM
Subject: [Q] Tomcat  ZoneAlarm?


 This is not a Tomcat issue, but I've tried desperately
 and could find no answer elsewhere... can someone
 please tell me how to get Tomcat working with
 ZoneAlarm (free version) as firewall?
 
 
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Re: [Q] Tomcat ZoneAlarm?

2003-12-29 Thread Riaan Oberholzer
It doesn't work... I get a The page cannot be
displayed.

I try to access it using http://x.x.x.x:8080/; where
x.x.x.x is my ip number.

I can ping the IP number, so the server is alive... I
just can't access Tomcat on it. 


--- epyonne [EMAIL PROTECTED] wrote:
 Just allow Tomcat to access the internet.
 
 
 - Original Message - 
 From: Riaan Oberholzer [EMAIL PROTECTED]
 To: [EMAIL PROTECTED]
 Sent: Monday, December 29, 2003 01:14 PM
 Subject: [Q] Tomcat  ZoneAlarm?
 
 
  This is not a Tomcat issue, but I've tried
 desperately
  and could find no answer elsewhere... can someone
  please tell me how to get Tomcat working with
  ZoneAlarm (free version) as firewall?
  
  
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Re: [Q] Tomcat ZoneAlarm?

2003-12-29 Thread Philipp Taprogge
Hi!

Riaan Oberholzer wrote:
This is not a Tomcat issue, but I've tried desperately
and could find no answer elsewhere... can someone
please tell me how to get Tomcat working with
ZoneAlarm (free version) as firewall?
In general, it is very advisable to know what a firewall does and how 
it works before installing one. In general, ZoneAlarm is a (rather 
simple) packet filter, i.e. a piece of software that examines network 
packets as they arrive at or depart from the machine and decides on a 
set of rules to allow or deny them. If you want a so protected machine 
to run tomcat and access it from beyond the firewall, you need to add 
a rule that allows requests from external sources directed at port 80 
(or whatever you set your tomcat to listen on) on the local machine 
and also to allow the responses from tomcat to any external host.
If you want to use SSL, you will have to allow those 
request/response-pairs as well.
You should, however concider wether you really need a firewall, if 
your machine is a pure server that does not serve other purposes. In 
that case, you should just close all ports you don't need. A closed 
port is no risk and if the listening software has flaws, a firewall 
wouldn't protect you either.

HTH

	Phil

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Re: [Q] Tomcat ZoneAlarm?

2003-12-29 Thread Riaan Oberholzer
Thanks... I know what a firewall is and what it does.
Problem is, with the free version of ZoneAlarm you
cannot manually specify ports to allow access on. I
know you CAN get it to work, but how I do not know.

I need the firewall. It is my home PC on a ADSL
connection, permanently connected to the internet. So
I use it for basicly everything I do on the internet.



--- Philipp Taprogge [EMAIL PROTECTED] wrote:
 Hi!
 
 Riaan Oberholzer wrote:
  This is not a Tomcat issue, but I've tried
 desperately
  and could find no answer elsewhere... can someone
  please tell me how to get Tomcat working with
  ZoneAlarm (free version) as firewall?
 
 In general, it is very advisable to know what a
 firewall does and how 
 it works before installing one. In general,
 ZoneAlarm is a (rather 
 simple) packet filter, i.e. a piece of software that
 examines network 
 packets as they arrive at or depart from the machine
 and decides on a 
 set of rules to allow or deny them. If you want a so
 protected machine 
 to run tomcat and access it from beyond the
 firewall, you need to add 
 a rule that allows requests from external sources
 directed at port 80 
 (or whatever you set your tomcat to listen on) on
 the local machine 
 and also to allow the responses from tomcat to any
 external host.
 If you want to use SSL, you will have to allow those
 
 request/response-pairs as well.
 You should, however concider wether you really need
 a firewall, if 
 your machine is a pure server that does not serve
 other purposes. In 
 that case, you should just close all ports you don't
 need. A closed 
 port is no risk and if the listening software has
 flaws, a firewall 
 wouldn't protect you either.
 
 HTH
 
   Phil
 
 

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RE: [Q] Tomcat ZoneAlarm?

2003-12-29 Thread Shawn Zernik
Riaan:

If you are using windows XP you are better off setting the port with the
firewall build into XP.  To do this go into network, right click the adapter
and you should be able to find the fire wall setting there.  you can tell it
to deny all except...  The except is what you would be interested in.

Shawn Zernik
Internetwork Consulting
www.internetworkconsulting.net

-Original Message-
From: Riaan Oberholzer [mailto:[EMAIL PROTECTED]
Sent: Monday, December 29, 2003 1:58 PM
To: Tomcat Users List
Subject: Re: [Q] Tomcat  ZoneAlarm?


Thanks... I know what a firewall is and what it does.
Problem is, with the free version of ZoneAlarm you
cannot manually specify ports to allow access on. I
know you CAN get it to work, but how I do not know.

I need the firewall. It is my home PC on a ADSL
connection, permanently connected to the internet. So
I use it for basicly everything I do on the internet.



--- Philipp Taprogge [EMAIL PROTECTED] wrote:
 Hi!

 Riaan Oberholzer wrote:
  This is not a Tomcat issue, but I've tried
 desperately
  and could find no answer elsewhere... can someone
  please tell me how to get Tomcat working with
  ZoneAlarm (free version) as firewall?

 In general, it is very advisable to know what a
 firewall does and how
 it works before installing one. In general,
 ZoneAlarm is a (rather
 simple) packet filter, i.e. a piece of software that
 examines network
 packets as they arrive at or depart from the machine
 and decides on a
 set of rules to allow or deny them. If you want a so
 protected machine
 to run tomcat and access it from beyond the
 firewall, you need to add
 a rule that allows requests from external sources
 directed at port 80
 (or whatever you set your tomcat to listen on) on
 the local machine
 and also to allow the responses from tomcat to any
 external host.
 If you want to use SSL, you will have to allow those

 request/response-pairs as well.
 You should, however concider wether you really need
 a firewall, if
 your machine is a pure server that does not serve
 other purposes. In
 that case, you should just close all ports you don't
 need. A closed
 port is no risk and if the listening software has
 flaws, a firewall
 wouldn't protect you either.

 HTH

   Phil



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Re: [Q] Tomcat ZoneAlarm?

2003-12-29 Thread epyonne
I am using ZoneAlarm Pro at home and I don't have any problem with Tomcat.
I don't know if the free version has this feature or not.  You can set
ZoneAlarm to the learning mode.  That means ZA will allow the application
or program that you install to perform its function.  Then you can scale
back afterward.



- Original Message -
From: Riaan Oberholzer [EMAIL PROTECTED]
To: Tomcat Users List [EMAIL PROTECTED]
Sent: Monday, December 29, 2003 01:40 PM
Subject: Re: [Q] Tomcat  ZoneAlarm?


 It doesn't work... I get a The page cannot be
 displayed.

 I try to access it using http://x.x.x.x:8080/; where
 x.x.x.x is my ip number.

 I can ping the IP number, so the server is alive... I
 just can't access Tomcat on it.


 --- epyonne [EMAIL PROTECTED] wrote:
  Just allow Tomcat to access the internet.
 
 
  - Original Message -
  From: Riaan Oberholzer [EMAIL PROTECTED]
  To: [EMAIL PROTECTED]
  Sent: Monday, December 29, 2003 01:14 PM
  Subject: [Q] Tomcat  ZoneAlarm?
 
 
   This is not a Tomcat issue, but I've tried
  desperately
   and could find no answer elsewhere... can someone
   please tell me how to get Tomcat working with
   ZoneAlarm (free version) as firewall?
  
  
   __
   Do you Yahoo!?
   New Yahoo! Photos - easier uploading and sharing.
   http://photos.yahoo.com/
  
  
 
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Re: [Q] Tomcat ZoneAlarm?

2003-12-29 Thread Merrill Cornish
Riaan,

   I run Tomcat with ZoneAlarm Pro at home and it works.  Not only does Tomcat need to 
be able to access the Internet (even though it's not actually accessing anything 
outside the localhost) as Phil said, but the browser you are using also needs to be 
able to access the Internet.

   The two times I get Page cannot be displayed is 1) I've forgotten to start my 
standalone version of Tomcat (I still haven't succeeded in getting it to run as a 
service), or 2) I've forgotten and left ZoneAlarm's manual Internet lock on (the [Z|A] 
tray icon is a padlock).

Merrill

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Re: [Q] Tomcat ZoneAlarm?

2003-12-29 Thread Peter Lin
 
I've used ZoneAlarm in the past. If I remember correctly, you have to select the 
program and check it for server. If you don't, it blocks inbound traffic.
 
if it is already checked for server, do a right click and it should give you 
additional properties like blocking all other ports for the application.
 
peter


Riaan Oberholzer [EMAIL PROTECTED] wrote:
Thanks... I know what a firewall is and what it does.
Problem is, with the free version of ZoneAlarm you
cannot manually specify ports to allow access on. I
know you CAN get it to work, but how I do not know.

I need the firewall. It is my home PC on a ADSL
connection, permanently connected to the internet. So
I use it for basicly everything I do on the internet.




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