I have installed ubuntu hardy and for some testing I have configured sendmail on it.
I have a router facing the internet and I am having hard time configuring the router to allow traffic on port 25 to my server. I have a BCM96338 ADSL Router. I have set iptable rules to allow the traffic on port 25 on the router. When I do a telnet localhost 25, from my linux machine, it connects to the smtp server, but if I try telnet xxx.xxx.xxx.xxx 25 from another computer on the LAN or from different network it does not connect.
Here is how my iptables rule look like:
xxx.xxx.xxx.xxx -> IP Address of my linux machine
Could some one please point into the right direction to fix this.
Hi,
anybody show me how to configure linux AS4 as a router. my linux server has 2 NICs, one connects to DSL modem (10.0.0.0/24) , and other one connects to private LAN (192.168.1.0/24).
TIA
Bong (2 Replies)
Hi,
We had an upgrade today morning and since then mailx command is not working.
I have been told to change the DNS to use host name as smtp.companyname.com instead of the IP address.
Can someone please help me out to know where can I change this on a Unix Server.
Thanks
Aman (5 Replies)
Did anyone know or can provide some instructions on how to setup smtp
for sendmail.
All I need to do is email files from sco thru my ISP smtp provider.
please help (3 Replies)
Hi all,
I need to send mail to a particular email id using a local mail server.This mail shall contain the content of a file. I don't have any idea how to do it. Can anyone guide me ,where to start proceeding for it. Any guide or study material would appreciated. (1 Reply)
Hello,
I have a question about ways to filter smtp traffic that passes from LAN through FreeBSD 7.0 machine (configured with NAT and gateway="yes" in /etc/rc.conf) to the Internet.
I've installed both SpamAssassin and ClamAv, and now need the software that would listen to port 25 on private... (1 Reply)
Hi all,
How can I monitor packet traffic on my wireless router?
Some info
- my wireless router is netgear wgr614
- everyone can connect it i.e. no password required
- I would like to see where they connect, how they are using the internet connection
I installed wireshark and captured... (3 Replies)
how does a router directs the internet traffic to a specific host in the private network?
Example:
My PC has ip 192.168.134.100
Router has ip 192.168.134.200
My company's ip 202.52.150.33
When i try to access internet, say google, it traverses from... (1 Reply)
So I want to limit the download and upload speed of a specific ip adress in a local network. To do this I are using a bach script running in a linux OS (Ubuntu 11.04). The issue here is that the upload shaper does not work. I have tried an alternate solution aswell though that does not work as... (0 Replies)
Hello,
I'm trying to configure sendmail with SMTP authentication on a SunOS 5.11 operating system. I have been read various documentation / tutorials and unfortunately is not working. I need help from someone who has configured smtp on this operating system.
When I try to send a mail, I have... (2 Replies)
Discussion started by: d4rkm4nx99
2 Replies
LEARN ABOUT CENTOS
faith
FAITH(4) BSD Kernel Interfaces Manual FAITH(4)NAME
faith -- IPv6-to-IPv4 TCP relay capturing interface
SYNOPSIS
device faith
DESCRIPTION
The faith interface captures IPv6 TCP traffic, for implementing userland IPv6-to-IPv4 TCP relay like faithd(8).
Each faith interface is created at runtime using interface cloning. This is most easily done with the ifconfig(8) create command or using
the cloned_interfaces variable in rc.conf(5).
Special action will be taken when IPv6 TCP traffic is seen on a router, and the routing table suggests to route it to the faith interface.
In this case, the packet will be accepted by the router, regardless of the list of IPv6 interface addresses assigned to the router. The
packet will be captured by an IPv6 TCP socket, if it has the IN6P_FAITH flag turned on and matching address/port pairs. As a result, faith
will let you capture IPv6 TCP traffic to some specific destination addresses. Userland programs, such as faithd(8) can use this behavior to
relay IPv6 TCP traffic to IPv4 TCP traffic. The program can accept some specific IPv6 TCP traffic, perform getsockname(2) to get the IPv6
destination address specified by the client, and perform application-specific address mapping to relay IPv6 TCP to IPv4 TCP.
The IN6P_FAITH flag on a IPv6 TCP socket can be set by using setsockopt(2), with level IPPROTO_IPV6 and optname IPv6_FAITH.
To handle error reports by ICMPv6, some ICMPv6 packets routed to an faith interface will be delivered to IPv6 TCP, as well.
To understand how faith can be used, take a look at the source code of faithd(8).
As the faith interface implements potentially dangerous operations, great care must be taken when configuring it. To avoid possible misuse,
the sysctl(8) variable net.inet6.ip6.keepfaith must be set to 1 prior to using the interface. When net.inet6.ip6.keepfaith is 0, no packets
will be captured by the faith interface.
The faith interface is intended to be used on routers, not on hosts.
SEE ALSO inet(4), inet6(4), faithd(8)
Jun-ichiro itojun Hagino and Kazu Yamamoto, An IPv6-to-IPv4 transport relay translator, RFC3142.
HISTORY
The FAITH IPv6-to-IPv4 TCP relay translator first appeared in the WIDE hydrangea IPv6 stack.
BSD April 10, 1999 BSD