10 More Discussions You Might Find Interesting
1. Red Hat
Hello All,
I would like to ask you very kindly with /etc/sysconfig/iptables file
I have to setup port forwarding on RHEL6 router. Users from public network must be able to ssh to servers in private network behind RHEL6 router. Problem is that servers in private network must be isolated.
My... (2 Replies)
Discussion started by: oidipus
2 Replies
2. Red Hat
Hi
I enable the IPtables but port 80 was not working. Below is my active configuration (10 Replies)
Discussion started by: ranjancom2000
10 Replies
3. UNIX for Dummies Questions & Answers
I want to limit all *outbound* traffic on eth0 (or all *.*) on port 25 to a specific (allowed) range...
I.E.
192.168.1.5 (local ip) tries to connect to 1.2.3.4:25 (outside real world ip)
It can proceed because 1.2.3.0/24 is the allowed range
Now, 192.168.1.5 (local ip) tries to connect to... (1 Reply)
Discussion started by: holyearth
1 Replies
4. Red Hat
Hi,
What iptables command do I need to run in order to open up the following port for incomming traffic on the following server:
# telnet 127.0.0.1 1521
Trying 127.0.0.1...
telnet: connect to address 127.0.0.1: Connection refused
telnet: Unable to connect to remote host: Connection... (3 Replies)
Discussion started by: Duffs22
3 Replies
5. Red Hat
Hi,
I have a newly built RHEL5 OS that is unable to talk to the DNS server. I am unable to telnet resolv.conf entry over port 53 but apparently this port has been opened.
# telnet 209.212.96.1 53
and.....
# dig www.google.com
; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2 <<>>... (9 Replies)
Discussion started by: Duffs22
9 Replies
6. Debian
Hello, the Nat and the forward worked on my debian server up to the reboot of machines.
The following rules*:
/sbin/iptables -t nat -A PREROUTING -p tcp -i eth2 -d xxx.xxx.xxx.xxx --dport 29070 -j DNAT --to-destination 10.0.1.7:29070
/sbin/iptables -A FORWARD -p tcp -i eth2 -o eth0 -d... (0 Replies)
Discussion started by: titoms
0 Replies
7. UNIX for Advanced & Expert Users
I would like to copy data flow (not redirect!!!) from 1567 port
to another 1194 port on same computer. The 1567 Port already binded by Scream program (it is bisy). Is it possible to do it by iptables or for it nesessary another programs? Can you help me in the decision of this question? (1 Reply)
Discussion started by: yanat
1 Replies
8. Fedora
Hi..
Anyone can help me..I have setup my linux fedora server and i want to restrict access to my server.Basically i control using iptables.I'm not sure how to write an iptables rules to control drop all connection to port 8080 and allow only certain ip can access the instance on port 8080 example... (0 Replies)
Discussion started by: netxus
0 Replies
9. Linux
Hi All,
Not sure if this is the right place to ask, so please tell me where is appropriate...
Anyway, here is the problem. I'm a bit new to kernel programming, so nothing works :confused: . I need to intercept cetrtain ethernet packets from Host1("eth0") to Host2("eth1") and send them to... (1 Reply)
Discussion started by: sl_king
1 Replies
10. UNIX for Dummies Questions & Answers
I've been googling for a while now, trying to forward port 3000 to port 80....
In the past I used to DLink router to forward port 3000 to 80. I recently finished (well, is it ever done anyhow?) setting up my linux box and got it acting as a router.
I want to continue to run Apache on port 80... (1 Reply)
Discussion started by: meeps
1 Replies
squid(8) System Manager's Manual squid(8)
NAME
squid - proxy caching server
SYNOPSIS
squid [ -dhirsvzCDFINRVYX ] [ -l facility ] [ -f config-file ] [ -[ au ] port ] [ -k signal ] [ -n service-name ] [ -O cmd-line ]
DESCRIPTION
squid is a high-performance proxy caching server for web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional
caching software, squid handles all requests in a single, non-blocking, I/O-driven process.
squid keeps meta data and especially hot objects cached in RAM, caches DNS lookups, supports non-blocking DNS lookups, and implements nega-
tive caching of failed requests.
squid supports SSL, extensive access controls, and full request logging. By using the lightweight Internet Cache Protocol, squid caches
can be arranged in a hierarchy or mesh for additional bandwidth savings.
squid consists of a main server program squid, a Domain Name System lookup program dnsserver, some optional programs for rewriting requests
and performing authentication, and some management and client tools. When squid starts up, it spawns a configurable number of dnsserver
processes, each of which can perform a single, blocking Domain Name System (DNS) lookup. This reduces the amount of time the cache waits
for DNS lookups.
squid is derived from the ARPA-funded Harvest Project http://harvest.cs.colorado.edu/
This manual page only lists the command line arguments. For details on how to configure squid see the file /etc/squid/squid.conf, the
Squid FAQ and the documentation at the squid home page http://www.squid-cache.org
OPTIONS
-d level
Write debugging to stderr also.
-f file
Use the given config-file instead of /etc/squid/squid.conf
-h Print help message.
-i Install as a Windows Service (see -n option).
-k reconfigure | rotate | shutdown | interrupt | kill | debug | check | parse
Parse configuration file, then send signal to running copy (except -k parse) and exit.
-n name
Specify Windows Service name to use for service operations, default is: Squid
-r Remove a Windows Service (see -n option).
-s Enable logging to syslog.
-l facility
Use specified syslog facility. implies -s
-u port
Specify ICP port number (default: 3130), disable with 0.
-v Print version.
-z Create swap directories
-C Do not catch fatal signals.
-D Disable initial DNS tests.
-F Don't serve any requests until store is rebuilt.
-I Override first HTTP port with the bound socket passed in on standard input.
-N No daemon mode.
-O options
Set Windows Service Command line options in Registry.
-R Do not set REUSEADDR on port.
-X Force full debugging.
-Y Only return UDP_HIT or UDP_MISS_NOFETCH during fast reload.
FILES
/etc/squid/squid.conf
The main configuration file. You must initially make changes to this file for squid to work. For example, the default configura-
tion does not allow access from any browser.
/usr/share/doc/squid/examples/squid.conf
Reference copy of the configuration file. Always kept up to date with the version of Squid you are using. Use this to look up con-
figuration syntax after upgrading.
/usr/share/squid/mime.conf (mime_table)
MIME type mappings for FTP gatewaying
/usr/share/squid/errors/en (error_directory)
Error page templates
SEE ALSO
cachemgr.cgi(8), ncsa_auth(8), pam_auth(8), squid_ldap_auth(8), squid_ldap_group(8), squid_session(8), squid_unix_group(8),
The Squid FAQ
Squid Web Proxy 2.7.STABLE9 2006-05-29 squid(8)