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https://community.oracle.com/thread/2152549
Jan 02, 2011 · Java does not have support for raw sockets, that means it cannot receive the packet header, just the payload data. But the header data of an ICMP packet consists of 20 bytes, and you can still write single bytes in Java, so why isn´t is possible to write a header for an ICMP packet in Java?
https://stackoverflow.com/questions/14873243/raw-socket-in-java
The only really available support for raw sockets in Java standard library seems the InetAddress.isReachable() that may do ICMP ping if permitted. This is really not much and probably even not really a raw socket, just one more protocol.
https://coderanch.com/t/205250/java/Raw-Sockets
'sniffer' , few months ago i wanted some like that too but i was told java couldn't do that. You probably need jni and outside help. But i didn't want it to depend on an OS so i gave up. I doubt it that java has raw sockets. I know and know java 1.1 doesn't.
https://bugs.java.com/bugdatabase/view_bug.do?bug_id=4727550
- "ping" support where an application needs to determine if a host is reachable or not. Accordingly we have split 4093850 into 2 RFEs :- 4727550 is tracking the requirement for complete raw socket support 4639861 is tracking the requirement to test reachability of a host.
https://bouldergoodsite.weebly.com/blog/download-java-program-for-raw-sockets-software
RockSaw Raw Socket Library for Java RockSaw is a simple API for performing network I/O with IPv4 and IPv6 raw sockets in Java. It is the de facto standard API for multi-platform raw socket programming in Java, having been deployed on hundreds of thousands of computing nodes as part of commercial products and custom enterprise applications.
https://github.com/mlaccetti/rocksaw/blob/master/src/main/java/com/savarese/rocksaw/net/RawSocket.java
Mar 22, 2016 · * performing I/O with IPv4 and IPv6 raw sockets. The API is * minimalist, yet functional.</p> * * < p >We throw java.io.InterruptedIOException when read/write * operations time out because java.net.SocketTimeoutException is * present only in J2SE 1.4 and up. By using InterruptedIOException, * we allow programmers to use the software with J2SE 1 ...
https://docs.oracle.com/javase/7/docs/technotes/guides/net/socketOpt.html
Valid for all sockets: Socket, ServerSocket, DatagramSocket. SO_RCVBUF. Get the size of the buffer actually used by the platform when receiving in data on this socket. Valid for all sockets: Socket, ServerSocket, DatagramSocket. SO_KEEPALIVE. Turn on socket keepalive. Valid for Socket. SO_OOBINLINE. Enable inline reception of TCP urgent data.
https://www.savarese.com/software/rocksaw/
RockSaw Raw Socket Library for Java. RockSaw is a simple API for performing network I/O with IPv4 and IPv6 raw sockets in Java. It is the de facto standard API for multi-platform raw socket programming in Java, having been deployed on hundreds of thousands of computing nodes as part of commercial products and custom enterprise applications.
https://opensourceforu.com/2015/03/a-guide-to-using-raw-sockets/
The purpose of a raw socket is absolutely different. A raw socket allows an application to directly access lower level protocols, which means a raw socket receives un-extracted packets (see Figure 2). There is no need to provide the port and IP address to a raw socket, unlike in the case of stream and datagram sockets.
https://en.wikipedia.org/wiki/Raw_socket
Most socket application programming interfaces (APIs), for example those based on Berkeley sockets, support raw sockets. Windows XP was released in 2001 with raw socket support implemented in the Winsock interface, but three years later, Microsoft limited Winsock's raw socket support because of security concerns.
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