10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
When I do simple nslookup it does not generate any query for IPV6 (AAAA). But sometimes I see DNS query for both A and AAAA are generated. What decides this? The reason I do not want AAAA query is in most of the cases AAAA records are absent. Hence, if one DNS server fails, the clients keeps... (1 Reply)
Discussion started by: broy32000
1 Replies
2. Red Hat
I want to find out the DHCPv6 server's ip address in the network. I went through the lease files but could find only duid/server-id and not the IPv6 address of the dhcp server. And I couldn't find any commands to get that information. Is there a way to get the DHCPv6 server's IPv6 address?
... (0 Replies)
Discussion started by: bshalini
0 Replies
3. Shell Programming and Scripting
Hi All,
Would anyone know how to modify the below, so only the IPv6 address (red) is printed, please?
(in other words, what's between inet6 and the / sign)
ipv6=`/sbin/ifconfig lo0:5 inet6 | grep 'inet6'`
print $ipv6
Currently the output of the above script is:
inet6... (7 Replies)
Discussion started by: chatguy
7 Replies
4. BSD
Hi,
Am using FreeBSD7.4/i386
During IPv6 configuration, I added the following in rc.conf as
Restarted IPv6 network using /etc/rc.d/network_ipv6 restart..
My problem is I need to set link local IPv6 address auto-configured..
Is my proceeding right??
I feel something missing to make... (0 Replies)
Discussion started by: Priya Amaresh
0 Replies
5. Linux
I am looking for an iptables command to allow incoming UDP packets for my Linux server
also is there a command I can use to set the default action for outgoing packets to accept?
Thank you (1 Reply)
Discussion started by: crimputt
1 Replies
6. HP-UX
How do I configure site-local IPv6 address in HP-UX box?
I can get link local IPv6 address automatically when I put IPv6 up.
aps39-88-root# ifconfig lan0 inet6 up (0 Replies)
Discussion started by: kirtikjr
0 Replies
7. Shell Programming and Scripting
Hi all ,
I have a string in my weblog xheader v6-day-2011:xx:yy:zz:qq:qq:ww:ee:rr
My requirement is to lookup the sting v6-day-2011 in this header and if found would like to extract the V6 ip part .
v6-day-2011 is always constant for a ipv6 entry so i would like to extract every thing... (4 Replies)
Discussion started by: jambesh
4 Replies
8. Solaris
Hi,
inspired by this article, I decided to implement IPMP + IPv6 in Solaris 10.
It worked for me only this way:
1. Setup
# cat /etc/hostname*
10.23.10.113/24 broadcast + group data failover up <- hostname.e1000g0
0.0.0.0/24 broadcast + group data -failover deprecated up standby... (3 Replies)
Discussion started by: masloff
3 Replies
9. Programming
I know there is a function inet_tpon for unix platforms to validate ipv6 addresses.But i need an equivalent of windows.When i use this function with the header file <winsock2.h> the visual studio 2005 on win2003 issues an error saying identifier not found
:confused: (3 Replies)
Discussion started by: guru13
3 Replies
10. Cybersecurity
Hello,
I am currently trying to limit incoming UDP length 20 packets on a per IP basis to 5 a second using IPTables on a Linux machine (CentOS 5.2).
Basically, if an IP is sending more than 5 length 20 UDP packet a second to the local machine, I would like the machine to drop the excess... (1 Reply)
Discussion started by: tomboy123
1 Replies
MIREDO(8) System Manager's Manual MIREDO(8)
NAME
miredo - Teredo IPv6 tunneling for Unix
SYNOPSIS
miredo [-c config_file] [-f] [-u user] [ -t chrootdir] [server_name]
DESCRIPTON
Miredo is a daemon program providing a Teredo tunnel service compatible with the "Teredo: Tunneling IPv6 over UDP through NATs" Internet
proposed standard (RFC 4380). It can provide either Teredo client or Teredo relay functionality.
This is mostly useful to provide IPv6 connectivity to users behind NAT, most of which do not support IPv6 at all. Many NATs do not even
support proto-41 forwarding, so it is not possible to set up a 6to4 or point-to-point IPv6-over-IPv4 tunnel through them.
A Teredo relay is an IPv6 router which forwards IPv6 packets between the IPv6 Internet and Teredo clients by encapsulating these IPv6 pack-
ets over UDP/IPv4.
A Teredo client is an IPv6-enabled host which is located behind an IPv4-only Network Address Translator (a.k.a. NAT), and encapsulates its
IPv6 traffic inside UDP over IPv4 packets.
A Teredo server is a special Teredo relay which is required for Teredo clients to setup their IPv6 connectivity through Teredo. A Teredo
server must have to global static subsequent IPv4 addresses. It receives packets from Teredo clients and Teredo relays on UDP port 3544.
OPTIONS
-c config_file or --config config_file
Specify an alternate configuration file for Miredo instead of the default, /etc/miredo/miredo.conf.
-f or --foreground
Do not detach from the console. Run the program in the foreground.
-h or --help
Display some help and exit.
-t or --chrootdir
Specify a directory to use as a root after initialization is completed. When used as a Teredo client, the hostname resolver library
files must be present in the chroot. The directory can safely be left empty for a Teredo relay.
-u username or --user username
Override the user that the program will run as. By default, it runs as nobody.
-V or --version
Display program version and license and exit.
server_name
This optional command argument specifies a Teredo server to use. It will override any ServerAddress directive found in the configu-
ration file. It is ignored if RelayType is not set to "client" (see miredo.conf).
SECURITY
Miredo requires root privileges to create its IPv6 tunneling network interface, and to set it up properly. Once its initialization is com-
plete, it will setgid, chroot into an empty directory and ultimately setuid (see option -u), so as to decrease the system's exposure to
potential security issues. However, if Miredo runs as a Teredo client, it needs root privileges when running, in order to change the tun-
neling network interface settings automatically. To prevent possible root compromise, Miredo implements priveleges separation. The process
that handles data from the network is not privileged.
While that is not specific to nor dependant on Miredo, it should be noted that Teredo connectivity allows anyone behind a NAT to obtain
global public IPv6 connectivity. It might break some corporate policy. If that is an issue, outgoing UDP packets with destination port
3544 should be blocked at the perimeter firewall.
SIGNALS
SIGHUP Force a reload of the daemon.
SIGINT, SIGTERM Shutdown the daemon.
SIGUSR1, SIGUSR2 Do nothing, might be used in future versions.
FILES
/etc/miredo/miredo.conf
The default configuration file.
/var/run/miredo.pid
The process-id file.
SEE ALSO
miredo.conf(5), miredo-server(8), ipv6(7), route(8), ip(8)
AUTHOR
Remi Denis-Courmont <remi at remlab dot net>
http://www.remlab.net/miredo/
miredo February 2008 MIREDO(8)