Validate IP Address using REGEXP
Hi All,
Sub:Validate IP Address.
My requirement is as this query.
where regexp_like(col1,'^([1-126]|[128-254]).[0-255].[0-255].[1-254]$')
....I searched for a solution using REGEXP, but no luck..
Thanks in advance.
Jeneesh
(Between, this is not a buisiness requirement.But a challenge from our collegue)
Message was edited by:
jeneesh
My mistake, I was looking the Forum only..Did you? :))
cd posted his nice trilogy about regexpr's,
and in the Introduction to regular expressions ... last part. he was talking about uncluding the IP-validating topic.
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===========================================================
Create table Script
===========================================================
create table Email_test (Email varchar2(100),Key_name varchar2(10));
insert into Email_test values ('[email protected]','U1');
insert into Email_test values ('[email protected]','U2');
insert into Email_test values ('[email protected]','U3')
insert into Email_test values ('[email protected];[email protected];[email protected]','U4');
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[email protected] U2
[email protected] U3
[email protected];[email protected];[email protected] U4
select * from Email_test where Key_name in ('U1','U2','U3')
[email protected] U1
[email protected] U2
[email protected] U3
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=======================================================
PL/SQL Block
===========================================================
declare
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v_cc VARCHAR2(80);
v_Recipient VARCHAR2(80) ;
v_Recipient1 VARCHAR2(80) ;
v_Recipient2 VARCHAR2(80) ;
v_Subject VARCHAR2(80);
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Tor resolves ip address using port 80 [SOLVED]
Hey everyone,
I'm trying to provide a service to fellow internet users that don't like their internet traffic to be snooped on. To explain my situation I'll tell something about my setup.
I use a router to access the internet. I let a router set up a vpn connection to my vpn provider. Then I tell it, using iptables, to redirect all http and https traffic through the VPN tunnel and let all other traffic go over the standard WAN. Not entirely true, I also redirect all udp and icmp traffic through the vpn tunnel.
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When setting up the TOR relay I use port 4436 as the relay port and port 9030 as the Directory port. My router directs all this traffic over the WAN. I also port forward these ports in the router towards the server.
The TOR relay seems to work but not entirely. I have the following message log: (I have replaced the ip addresses that belong to my WAN and VPN tunnel with "<wan-ip>" and "<vpn-ip>" to make it clearer. )
sep 04 17:29:48.164 [Notice] Self-testing indicates your DirPort is reachable from the outside. Excellent.
sep 04 17:35:08.532 [Notice] Our IP Address has changed from <wan-ip> to <vpn-ip>; rebuilding descriptor (source: 154.35.32.5).
sep 04 17:35:09.883 [Notice] Self-testing indicates your ORPort is reachable from the outside. Excellent. Publishing server descriptor.
sep 04 17:55:08.476 [Warning] Your server (<vpn-ip>:9030) has not managed to confirm that its DirPort is reachable. Please check your firewalls, ports, address, /etc/hosts file, etc.
sep 04 18:15:08.476 [Warning] Your server (<vpn-ip>:9030) has not managed to confirm that its DirPort is reachable. Please check your firewalls, ports, address, /etc/hosts file, etc.
sep 04 18:26:44.664 [Notice] Our IP Address has changed from <vpn-ip> to <wan-ip>; rebuilding descriptor (source: 128.31.0.34).
sep 04 18:26:45.117 [Notice] Our IP Address has changed from <wan-ip> to <vpn-ip>; rebuilding descriptor (source: 194.109.206.212).
sep 04 18:26:49.342 [Notice] Our IP Address has changed from <vpn-ip> to <wan-ip>; rebuilding descriptor (source: 76.73.17.194).
sep 04 18:26:58.255 [Notice] Self-testing indicates your ORPort is reachable from the outside. Excellent. Publishing server descriptor.
sep 04 18:33:01.221 [Notice] Self-testing indicates your DirPort is reachable from the outside. Excellent.
sep 04 18:36:52.096 [Notice] Our IP Address has changed from <wan-ip> to <vpn-ip>; rebuilding descriptor (source: 212.112.245.170).
sep 04 18:37:10.626 [Notice] Self-testing indicates your ORPort is reachable from the outside. Excellent. Publishing server descriptor.
sep 04 18:56:51.965 [Warning] Your server (<vpn-ip>:9030) has not managed to confirm that its DirPort is reachable. Please check your firewalls, ports, address, /etc/hosts file, etc.
sep 04 19:16:51.967 [Warning] Your server (<vpn-ip>:9030) has not managed to confirm that its DirPort is reachable. Please check your firewalls, ports, address, /etc/hosts file, etc.
sep 04 19:27:44.011 [Notice] Our IP Address has changed from <vpn-ip> to <wan-ip>; rebuilding descriptor (source: 128.31.0.34).
sep 04 19:27:44.092 [Notice] Our IP Address has changed from <wan-ip> to <vpn-ip>; rebuilding descriptor (source: 171.25.193.9).
sep 04 19:27:44.095 [Notice] Our IP Address has changed from <vpn-ip> to <wan-ip>; rebuilding descriptor (source: 128.31.0.34).
sep 04 19:27:44.098 [Notice] Our IP Address has changed from <wan-ip> to <vpn-ip>; rebuilding descriptor (source: 194.109.206.212).
sep 04 19:27:50.211 [Notice] Our IP Address has changed from <vpn-ip> to <wan-ip>; rebuilding descriptor (source: 76.73.17.194).
sep 04 19:27:55.398 [Notice] Self-testing indicates your DirPort is reachable from the outside. Excellent.
sep 04 19:28:08.914 [Notice] Self-testing indicates your ORPort is reachable from the outside. Excellent. Publishing server descriptor.
sep 04 19:29:45.764 [Warning] We just marked ourself as down. Are your external addresses reachable?
sep 04 19:37:51.966 [Notice] Our IP Address has changed from <wan-ip> to <vpn-ip>; rebuilding descriptor (source: 212.112.245.170).
sep 04 19:37:55.358 [Notice] Self-testing indicates your ORPort is reachable from the outside. Excellent. Publishing server descriptor.
What I think will fix the problem is that TOR should not resolve my ip address using http or https since that will provide the wrong ip address. When trying to access that ip address at another port (in this case 9030) will obviously not work. However there is no setting to do that. Is there any way to archieve this?
Please ask if anything is unclear.
Regards,
Berend
--edit--
I was able to set the Address field in the torrc file. This means I can hardcode the ipaddress I want it to use (WAN). However that address can change every 6 months or so. If someone has a better solution that would be very welcome.
Last edited by Berend (2013-09-05 00:47:25)Berend wrote:@progandy
I don't have any experience with that.
I guess I can tag them with a TOS so my router knows what to do with it. But how would I give that tag?
Select the packtes with owner and then depending on what your router supports you can set either DSCP or TOS. dscp is the current standard, tos is deprecated. -
Just installed Firefox for my boss, and ran into something I've not seen before. When trying to access our private camera system, that uses specific ports, I got this message: "This address is restricted - This address uses a network port which is normally used for purposes other than Web browsing. Firefox has canceled the request for your protection."
Cannot find a setting in Firefox to correct this problem. Please help.Hello,
Can you please check if either of these links help in the resolution of the issue
# [http://kb.mozillazine.org/Network.security.ports.banned.override Firefox ports override]
#[http://blog.christoffer.me/post/2012-02-20-how-to-remove-firefoxs-this-address-is-restricted/ Remove Firefox this address is restricted error]
Thank you -
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