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| Content Provider | ACM Digital Library |
|---|---|
| Author | Caballero, Juan Munir, Rana Faisal Tanoli, Irfan Khan Nappa, Antonio Kreibich, Christian |
| Abstract | Web service operators set up reverse proxies to interpose the communication between clients and origin servers for load-balancing traffic across servers, caching content, and filtering attacks. Silent reverse proxies, which do not reveal their proxy role to the client, are of particular interest since malicious infrastructures can use them to hide the existence of the origin servers, adding an indirection layer that helps protecting origin servers from identification and take-downs. We present RevProbe, a state-of-the-art tool for automatically detecting silent reverse proxies and identifying the server infrastructure behind them. RevProbe uses active probing to send requests to a target IP address and analyzes the responses looking for discrepancies indicating that the IP address corresponds to a reverse proxy. We extensively test RevProbe showing that it significantly outperforms existing tools. Then, we apply RevProbe to perform the first study on the usage of silent reverse proxies in both benign and malicious Web services. RevProbe identifies that 12% of malicious IP addresses correspond to reverse proxies, furthermore 85% of those are silent (compared to 52% for benign reverse proxies). |
| Starting Page | 101 |
| Ending Page | 112 |
| Page Count | 12 |
| File Format | |
| ISBN | 9781450347716 |
| DOI | 10.1145/2991079.2991093 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2016-12-05 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Web load balancers Active probing Reverse proxies |
| Content Type | Text |
| Resource Type | Article |
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