Questions tagged [spoofing]

Use this tag for questions related to spoofing of all kinds (IP/MAC address spoofing, identity spoofing, etc.), either if you want to spoof something or protect yourself from spoofing.

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How to do source IP spoofing in Centos7 with firewalld? [closed]

I want to do source IP spoofing with firewalld... Basically I want to spoof source IP of a UDP packets and forward it to other machine which sees the packet coming from original source. I have been ...
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How we can do Source IP spofing in Centos7

I am doing source IP spoofing using IPTables till now. Now our core system is migrating to Centos5.7.2. We want same source IP spoofing functionality in Centos as well. But we are unable to achieve IP ...
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1answer
83 views

Slow internet connection after MAC address spoof

I'd like to ask a question about spoofing MAC addresses. I'm trying it out in my own wifi network just to see how it's done. I'm running ubuntu 16.04 LTS. Let's say my original MAC address is 00:22:...
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1answer
545 views

DNS spoofing in Kali Linux [duplicate]

I'm trying to learn some stuff about DNSspoofing, but it didn't work well for me. Here's what i have done. step 1 : turn my NIC into promisc mode using the following command ifconfig wlan0 promisc ...
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2answers
2k views

How to find IP address from mac address by spoofed request to DHCP server?

EDIT the selected answer solves the broader problem that I was trying to solve, which is "Given selected mac addresses, how do I efficiently find each mac addresses corresponding IP address on the ...
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3answers
1k views

NGINX Redirect to Domain Name spoofed locally with DNSMasq

I have a Linux VPS serving data on the internet that has a legitimate Domain name and SSL Certificate ( from GoDaddy.com ). I will refere to this server as "www.myserver.com". I also have a local ...
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2answers
699 views

How to avoid mac-adress spoofing auto reset on connecting

Everytime I spoof my mac-adress on Ubuntu using different approaches including macchanger it auto resets as soon as I actually try to reconnect to the network. This is what my problem looks like: ...
2
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2answers
1k views

Cannot connect to internet after changing MAC Address

I've been making a BASh script that changes your MAC Address to that of any manufacturer of your choice from a list. At the last part of the script that is run, it stops before finishing. Here is the ...
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0answers
607 views

How to prevent responding to arp scan requests from outside (except the router) in ubuntu?

How do I prevent my computer from responding to arp scans in my network? A solution using iptables or something similar is very welcome. The network interface is wlan0. Some malicious users are ...
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2answers
2k views

How do I setup MAC spoofing in Fedora?

I would like to setup MAC spoofing in Fedora, similar do what Tails does to their Debian. Any idea how? Thanks
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205 views

Counter MAC spoofing

I use a public wifi. (connect with id/password on an open network) The network is unstable (download stream 500ko/s then drop 0ko/s and stream stop, if a click a later in the stream it's working ...
4
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1answer
681 views

Publishing an ARP entry

I'm experimenting with a spoofed IP connection, as described in section 7 of this article (IP SPOOFING with BSD RAW SOCKETS INTERFACE). Indeed, when a SYN is sent with no regard for ARP, there's no ...
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4answers
6k views

skype version spoofing?

Microsoft has apparently decided to terminate the skype service for older versions (before current 4.3.0.37). That's too bad because I'm needing skype for work badly. Since I'm using an old Mandriva ...
3
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1answer
2k views

Spoof current MAC address to a known address to trick router and register device

I want to connect to a device to the internet, a Roku player, that has its own MAC address. The network that I currently have access to requires that I login using my credentials prior to being ...
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47 views

Prerouting issue

I have three hosts: A, B and C. Let's say host A is continuously communicating with host C (e.g. poll - response). Now, I spoof both ARP tables of host and A and C with host B and want to block ...
4
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1answer
3k views

How to config Postfix to prevent sender spoofing?

At work, I'm facing security risk with the mail sender spoofing. I have a relay mail server which accepts mail relay from all server subnets. If an user in a normal server sends mail within command ...
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0answers
303 views

MAC OS X lion mac address spoofing problem [closed]

I have to change the MAC address of my Macbook due to ISP issues. I changed it using: sudo ifconfig en1 ether my_new_mac_address And it is changed successfully when I check it through: ifconfig ...
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4answers
4k views

Spoofed MAC address ignored by wpa_supplicant?

I'm using wpa_supplicant to power my wireless card in my Ubuntu Server (yes I know wireless in a server is bad, but this is a special case) since it has the ability to automatically roam WAPs instead ...
5
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1answer
4k views

eth0 is proxy-arping, but /proc/sys/net/ipv4/conf/eth0/proxy_arp is 0

I'm scratching my head about this question... I have a debian squeeze machine that is connected to an internal lab network. We have a lot of machines that have default proxy-arp configurations on ...
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4answers
5k views

How can I send spoofed packets in Linux

In order to test a firewall, I want to send malformed packets to its interface, regardless of my routing table. Is there a way to ask linux "send this exact tcp package, to this MAC address, ...
5
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1answer
1k views

Can I spoof the MAC address in Android?

Is it possible to spoof the MAC address of the wireless interface using wpa_supplicant.conf in Android when I connect as a client to an access point? Edit Unfortunately, Android doesn't support ...