Reverse Trace Route?
Dec 29, 2011
I want to know the return path between my IP and a server. I know that trace route gets some information about the hops from my IP to a server (for example www.google.com) but this info is about the forward path. But I want to know what is the path from the server to my PC, what is the reverse path (return path)? What are the middle hops? In other word, I want to know where is the forward and reverse path when I ping a server? I can find the forward path using trace route, but what about the return path?
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Jun 24, 2011
I've enabled antispoof on all interfaces on asa 5510.If you start a traceroute to a network on the default route, everything works, since replies comes to an interface with route 0.0.0.0/0 defined.If you start a tracer route to a network that is NOT on the default route (let's assume coporate MPLS), you only get response from first carrier router, the other are discarded because of anti spoof violation.
I have ICMP inspection and icmp-error inspection enabled.
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May 7, 2012
I am trying to track down a device that's blocking a certain port I know there are programs out there than will do a trace-route that's on TCP but is there any programs that allow you to specify a port?
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Jul 19, 2012
Have win7 system, cisco WIRED 1720 router, ~1.5mb frame relay via C&WPanama, nortons antivirus installed. IP config dump is at the bottom, but in this event, I don't think my problem is local.An important work-related chat quit working today, and I have narrowed down the issue to not being able to connect to the provider website from my current location. (I can connect via US proxy, but cannot run the java applet via the proxy, it seems it is still trying to go from here to there).
The site I am trying to reach is host7.parachat.com, IP 64.13.158.24
I can load this page (just a landing page comment) as well as their main pages via us proxy, but time out trying to load directly. Fiddler returns a 502 error, socket connection failed.
have tested on 3 machines (all on same router), then on a laptop which hadn't been booted or updated in over a year (also on same router). Trying to find a free wireless network to test with the laptop, but that hasn't been found yet.
[code]....
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May 25, 2011
My network consists of a router and a ASA5505. The router has a serial connection back ot HQ. The ASA has a VPN connection back to HQ. I want the network traffic destined for HQ to travel over the VPN connection until that connection is no longer valid (down). I've been told that RRI is the way to go but cannot get it to work. I get one of my routes to show up in the router but that's it (and not as a static route). Also I don't want the routes to be injected if the VPN connection is down. But I do want the VPN connection to be the preferred connection.
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Oct 15, 2012
We have a ASA 5505 and a 5510, that we are using site to site.I need to traceroute from the 5505-5510.. From the outside interfaces.. Don't want to do this through the site-to-site.I have temporarily added a few acl on the outside interfaces.when i traceroute it only goes one hop.. Maybe thats the way it suppose to be? I need to know all the hops between the outside interfaces on the 5505 to the outside interface on the 5510.
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Mar 24, 2013
when i make a trace route on an ASR 1001 router to 172.23.30.7 I get the following output:
VRF info: (vrf in name/id, vrf out name/id)
1 192.168.99.192 0 msec
192.168.99.191 1 msec
192.168.99.192 0 msec
2 172.23.30.243 1 msec 1 msec 1 msec
3 172.23.30.7 1 msec 1 msec 1 msec
Is there a loop between 192.168.99.191 and .192 (this are two routers with hsrp .190) or is this normal behavior when using trace route on an asr 1001?
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Jun 10, 2013
I changed from a Linksys E4200 to a 5505 and when I use trace route, it doesn't return a DNS name for each hop. I can see the hops shown as asterisks. Do I have to add something to inspect for this to work?
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Jan 21, 2013
I have an E4200 and have added it to my network with a new static IP and DHCP and firewalls off.It runs off my cable modem and router (Virgin Media Superhub) that has DHCP.When I tell it to do a firmware update, traceroute or ping it fails, just wont do any of them.
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Jun 6, 2011
I have problem with icmp traceroute configuration. When I enabling icmp error inspection in global policy, my traceroute results through ASA 8.2.4 looks like this: My traceroute [v0.75]
icmp inspection and ttl decrement on ASA is enabled. Also I configured ACL on outside interface to permit ICMP completely.
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Jul 29, 2011
We have two ASA5510's connected to two different ISP's and both able to initiate a site-site IPsec connection to a remote site. Depending on the state of the ISP's either ASA may initiate this VPN.We use Reverse Route Injection into OSPF for VPN clients and it works fine with the route being distributed when a client connects and disappearing when there are no clients.So we thought we'd try it for our site-site VPN's. Unfortunately when we enable Reverse Route Injection the routes are distributed regardless of whether the VPN is up or not, so if one ASA has initiated a VPN it's reverse route is distributed (which is what we want) but the other ASA also distributes a route for it's non-existent VPN. The result is that our gateway routers see two OSPF routes and can't ascertain which route is actually up.
Is there any way to distribute the route using Reverse Route Injection (or any other method) only when a site-site VPN is actually up? For various reasons we can't use BGP or other gateway routing protocols.Our ASA5510 are currently running IOS 8.2(1)
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Apr 30, 2011
how to trace ip adress during chat
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Jun 17, 2011
how to trace IP when proxy is used.someone I know is playing a prank that might cause my marriage to break.That person uses proxy with many different IP and also a loopback. does anyone know how to trace the IP even with the above is used.
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May 8, 2011
i am on pc i want same outlook on mac no delete on main xp pro home office pc. would like to received and send email from new mac book pro: fully synced between both?
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Jun 24, 2012
Is there any way to trace a device using Ip address?
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Mar 31, 2012
track my laptop
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Jun 13, 2011
If my computer was stolen could I locate it using the unique mac address? And is this why burgular didn't take two laptops when they burguled us last night
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Mar 3, 2012
We use microsoft exchange for outlook. I want to know which ports are being used by our exchange server to receive and send emails. Is it possible to check that?
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Jun 23, 2012
i think someone took my laptop i can not know unless i can track it i have all the info on the laptop i still hae the box but i desperatly need to know where, basically someone has it and is telling me it is mine but will not let me see it.
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Dec 14, 2012
our laptop missing at banaganapalli kurnool dist andhra pradesh
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Feb 10, 2013
I have 2 data centers conencted via WAN and each has their own Internet conenction. One of the site's Internet is close to maximum bandwidth and we want to use the second site's Internet for future connections. The problem is the core switches in each site has a default rout to their local firewalls, so even if I can NAT on the firewall, the return traffic goes out whichever firewall is local and will fail.
So, my plan is to change the source IP address of the packets to be an address on the inside interface's LAN subnet. That way it is routed back to the proper firewall. I am able to do this with the following code, but this code only works with a static one to one NAT. I am limited in public IP addresses, so I want to NAT on a per port basis. Each time I try to change the any any to a specific port, it fails.
object network host-inside-int
host 10.1.52.172
object network host-outside-nat1
[Code].....
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Jul 29, 2012
I am currently trying to apply a reverse NAT on asa 8.2 and not sure how to do this. I have done this on asdm 6.2 for asa 8.3 but the options are not simiar on 8.2. Is there a CLI equivelant?
I am trying to Achieve the object below for any traffic coming from outside interface to the inside interface with any source address to destination 10.X.X.58 then translate it so that it become 192.X.X.X to address 192.X.X.58. This is so that communications can traverse internal network as the server is not ona DMZ.
I have done this on 8.3 (shown below) but do not know if it is possible for 8.2, I have tried replicating the same command on 8.2 but commands are not recognised.
nat (outside,any) source static any 192.X.X.X destination static 10.X.X.X 192.X.X.58
Should I just upgrade to 8.3? never done it before so not sure of the consequences.
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Dec 22, 2012
After upgrade to 9.0.1 from 8.4 I have problems with reverse dns resolving, like this:
named[2679]: DNS format error from 193.0.9.1#53 resolving 82.64/27.195.26.72.in-addr.arpa/PTR for client 127.0.0.1#37124: question section mismatch: got 90.64.195.26.in-addr.arpa/IN/PTR
Only solution I found is to disable inspect dns, which is not very good.
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Feb 22, 2012
How to trace firewall and load balancers placed in data center.
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Sep 20, 2012
Our ESP traffic is passing through multiple nodes and we can not establish the tunnel. and I want to know which node blocked ESP traffic. How to trace which node blocked ESP traffic ?
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May 27, 2011
Within the past week,my facebook and yahoo mail accounts have been invaded and deleted. I know it is an iphone. I found several ip addresses.
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Mar 8, 2011
i was looking to trace back a website from 2 months ago but not sure how to get into the history of the laptop,
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Dec 21, 2012
i got my samsung galaxy s duos...i wanna connect my mobile to laptop for internet using wi fi and also i have mts data card so how to connect frm lap to my mobile for internet using mts data card.??
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Apr 28, 2009
This may sound ignorant but I cannot get either of the antennas off my 615. They are listed as removable reverse SMA but they are so tight I am afraid of damaging it. This is my second 615 after not being able to get one of the antennas off the first. D-link said they should just unscrew but I cannot get either of them to budge. D-link support said the one I had first must have been manufactured wrong so I returned it to new egg and got a new one. Same issue. I need to have an external antenna on the unit.
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Oct 9, 2012
Any work around to enable reverse NAT or similar functionality on the EA6500? I recently upgraded from a Dlink that did support reverse NAT to my internal devices through a dynamic dns service. Now I have to know the IP address for all the devices.
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Jul 27, 2011
I'm new to working with the ASA 5505 ,VPN and reverse NAT.
The basic setup is as follows. I'm trying to setup a IPsec site to site tunnel with reverse nat on the remote side.
I have as the tunnel up and it passes traffic. I have setup reverse NAT for 172.x.x.1 to translated IP 216.x.2.101 my ASA also has an IP address of 216.x.2.102.
Any connection from 172.x.x.1 to 216.x.2.1 should appear to be comming from 216.x.2.101
When I ping or telnet from 216.116.86.1 to an open port on 216.x.2.101 I get the banner from 172.x.x.1, seems like it is working.
However in my setup I'm only given a singel IP that of the NAT address 216.x.2.101, so when I remove the IP address assigned to the inside interface 216.x.2.102. all conductivity is lost.
When I set the inside interface to 216.x.2.101 and I setup a static NAT rule for 172.x.x.1 to 216.x.2.101, I get a message that says all traffic will be redirected and I will be unable to connect to the ASA.
Once thats in place, and I make any connection from 216.x.2.1 to 216.x.2.101on any port I get a connection but then it's reset, I no longer get the telent banner I was expecting.
My running config is,
ASA Version 8.2(1)
!
hostname ciscoasa
[Code].....
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Jun 15, 2012
ASA running 8.2(5).When I enable ip spoofing on my network interfaces I see this getting logged:
Deny UDP reverse path check from 10.100.100.102 to 10.100.100.255 on interface SPECTRA-LAN
This is because interface SPECTRA-LAN (VLAN50) is the interface connected to the network with ip 10.100.100.0/24 but the interface do not have a ip address so it does not exist in the routing table I believe?However interface INTERN do also belong to network 10.100.100.0/24 which also is the management interface and the default route for hosts in network 10.100.100.0/24, but has no vlan.
1. move the management0/0 to SPECTRA-LAN and give SPECTRA-LAN ip 10.100.100.1?
2. give SPECTRA-LAN a ip address in the 10.100.100.0 range?
My routing table and interface list is:
Current available interface(s):
DATA-BACKUP Name of interface Redundant1.10
DMZ Name of interface Redundant1.900
GUEST Name of interface Redundant1.990
HOSTING Name of interface Redundant1.100
Infrastruktur Name of interface Redundant1.20
[code]....
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Jun 15, 2011
I've got a 5520 running 8.4(1).I've setup a simple NAT: [code] Running wireshark on the outside of the ASA, I can see the packets going out fine (the source address has been translated). I can see the replies coming in from the 'net. But the replies don't get through the ASA to the internal host.What do I need to do to allow the reverse packets to get through the ASA back to the host ?
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