Questions tagged [proxy]

For questions about Proxy on network devices. This tag should only be used if it concerns configuration or troubleshooting Proxy on an on topic network device.

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How to do IP canonicalization with Nginx and Certbot [closed]

I have multiple services running on my server which will be accessed via nginx and encrypted by certbot. If i want to acess my service with my http://abc.com, I get redirected to http(s)://abc.com, ...
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1answer
51 views

What is ISP proxy?

One of my customer requested to implement data center for server space rental service. He need to rent his server for data center and ISP proxies. I can setup as a data center. But i have no idea ...
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3answers
46 views

Can I use the default routing rule “ip route 0.0.0.0 0.0.0.0 f0/0 192.168.xxx.xxx” to specify 192.168.xxx.xxx as my proxy server?

I'm new to networking and I just learned Cisco router's static routing. I know that ip route 0.0.0.0 0.0.0.0 f0/0 192.168.xxx.xxx states that all packets should be forwarded to 192.168.xxx.xxx. Can I ...
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1answer
284 views

Can pfSense do routing or port forwarding based on DNS name?

Currently our network looks like this: The issue is that OpenVPN Access Server does not support working behind a proxy server so some features are currently not working. As we only have 1 external IP ...
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3answers
2k views

Difference between Reverse Proxy and Port Forwarding

Well both reverse proxy and port forwarding looks for any incoming packets destined to a particular machine which is present in local network. How both of them are different ?
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1answer
47 views

Is a VPN just a proxy which encryts data to the vpn server?

I have trouble understanding the concept of a VPN in contrast to a proxy. Is it true, that the VPN just encrypts the data which is send from the client to the vpn server and "rest" behaves ...
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1answer
58 views

Do using proxies and surfing the internet create multiple headers in the packet? [closed]

Apologies for these silly questions. As I am new to networking. For example, If I configured my browser to use proxy of IP address: a.b.c.d and my IP address: e.f.g.h. And I visit example.com. What ...
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0answers
34 views

Why do corporate networks prefer application-level over network-level proxies? [closed]

I was recently using an application at work, which was unable to download needed files because proxy settings were not configured for the application. The company firewall blocks non-proxy connections....
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1answer
602 views

Reverse proxy to access device with dynamic IP under NAT [closed]

I want to share (make public) some HTTP service on my laptop to access it from the internet. Laptop can be connected to the internet via different providers, e.g. via public Wi-Fi or 4G, so I can't be ...
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2answers
159 views

Is this translation possible on a router, or do I need a proxy?

Is this possible, I cannot seem to find a solution for it.. Using NAT,I have this config (this is on packet tracer) interface GigabitEthernet0/0/0 ip address 10.1.1.1 255.255.255.0 ip nat inside ...
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1answer
502 views

Does HTTP proxy sends its own TCP packets or bypasses clients packets?

Need help to understand what's happening on TCP level when http proxy is used. When client wants to open a website through a proxy, first connection is established between client and proxy. Then ...
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1answer
295 views

What's the meaning of `circuit level gateway`?

The proxy server is an important security function provided by the Internet "circuit level gateway". Its work is mainly at the session layer of the Open Systems Interconnection (OSI) model, which acts ...
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1answer
32 views

In port forwarding, is the ultimate destination decided solely by the intermediary entity?

In port forwarding, is the ultimate destination to connect to solely decided by the intermediary entity which provides port forwarding, not by an application client? Although the page mentions dynamic ...
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2answers
497 views

Why are proxies implemented on the application level of the OSI model?

Why are all proxy servers implemented on the application level of the OSI model, and not the network level? Is it possible to implement a proxy server on the network level? Such as on the gateway ...
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1answer
51 views

Is it possible to make a TCP connection connect back to the destination port? [closed]

I'm new in this forum, I thought I could ask a question here. I've set up a proxy by using nginx and Openresty, which supports LUA scripts, that changes the body of a HTTP SOAP POST request. The ...
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2answers
310 views

Routing specific TCP/UDP packets from VLAN's to proxy server

I need to set up a solution which is for routing specific TCP/UDP packets between the devices in two separate VLANs through a proxy server. For eg: all my computers are connected to one VLAN(1) and my ...
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2answers
684 views

Packet Forwarding / Proxy Server [closed]

Here's my setup: An Internet router connected to my ISP A Linux box connected to the router with one network card, and connected to a switch with the other. A Windows box connected to the switch. ...
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1answer
1k views

Could accessed sites over an SSH tunnel be tracked by ISP? [closed]

I created an SSH tunnel and using it as SOCKSv5 proxy on Firefox. I checked whatismyipaddress.com and some other sites, they could not detect a proxy on my computer and shows my location on the server'...
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2answers
789 views

IP Addresses of SIP packets [closed]

On this website, it says that This shows the source and destination IP addresses of the SIP packet. Note this information will change as the packet passes between SIP proxy servers. I'm ...
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1answer
64 views

Best way to place a proxy in a network?

Correct me if I am wrong, but in a LAN, when a packet sent by a computer has a destination located in the Internet, it will send it to the gateway (which is a router only right?). Now, I want to ...
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1answer
711 views

Tunneling HTTP request over SSH [closed]

I'm having this webserver inside my network behind a firewall. I also have this VPS outside my network, which is publicly reachable. Now, I was wondering if it would be possible to tunnel a connection ...
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1answer
344 views

IPTABLES port 53 closed [closed]

I'm configuring my proxy server to serve 2 Internet connections to one end. The problem is, some websites load and some don't. My cache.log file return me this when I attempt to load a website: ...
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2answers
82 views

Do bits outside netmask count when defining a range of IP's?

Still trying to understand the IP slash notation. I am configuring my OSX laptop to connect to the Internet behind the corporate proxy. For the loopback address to work on my local machine after ...
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1answer
1k views

How browsec works? [closed]

I am trying to find out how browsec works. In my college, youtube is banned. When I type youtube.com in my url, the packets carrying the url travels to the proxy server. The proxy server here blocks ...
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2answers
139 views

Network layout and configuration [closed]

I want to set up my Raspberry pi as a proxy server for one pc on my network. This is the scenario: I have a virgin media superhub (UK), I want any device that can connect to this with the wifi to ...
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1answer
134 views

Is it the Proxy Server slowing us? [closed]

So it's the usual Server vs Network battle. What's the best way to check if it's our Proxy Server that's slowing our Internet connection? I do not have access to the Proxy Server. I can only access ...
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1answer
685 views

Proxying a private network (Ethernet LAN) at workplace to home via a VPS [closed]

We have a 172.20.0.0/* LAN at workplace. I have a Computer in this LAN with IP 172.20.164.174. This Computer has both Internet connection and workplace network access. I also have a Computer in home ...
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0answers
367 views

Junos HTTP reverse proxy forwarded based on HTTP host

How do I configure AppSecure to function as a reverse proxy for my web servers based on the HTTP host header field? E.g. website1.domain.com and website2.domain.com should be reverse proxied to ...