AnetTest
Automated testing (monitoring) of network devices and applications
(packet generator and sniffer)
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AnetTest is packet generator and sniffer for Ethernet networks primarily also similarly working with packets of data over a TCP connection or using raw IP sockets. Lets you write scripts for automated testing, monitoring, imitating of various network devices, creating custom network tools.
WATCH ALL SAMPLES
FEATURES:
1. Generating any packets at channel level for Ethernet networks;
Samples: generate_sequence_packets
2. Work with TCP sessions. Sending and receiving data over TCP connection.
Imitating client or server;
Samples: mail_reader,
tcp_gateway
3. Sending some data alternating with receiving some expected data;
Samples: ask_mac
4. Using (creating) own headers for any network protocol or packet's template;
See all headers
5. Support of flexible language with conditions, variables, cycles, etc.;
Samples: http_parser.
6. Creating own sniffers with custom output. Analysis of packets content;
Samples: http_parser
7. Writing various network tools for testing, monitoring or imitating of network devices;
Samples: mail_reader,
my_gateway
8. Work with statistic from tests. Displaying summary reports;
9. Automated testing of firewalls;
10. Imitating the work of network applications using info from trace file.
It may be useful for implementing automated testing of firewall;
11. Modifying and analyzing of trace files.
Samples: work_with_traces.
ALL SAMPLES
FULL DOCUMENTATION
SYSTEM REQUIREMENTS FOR UNIX
Before installing libpcap (www.tcpdump.org)
must be installed.
SYSTEM REQUIREMENTS FOR Windows 8 and earlier
Before running WinPcap (www.winpcap.org)
must be installed.
SYSTEM REQUIREMENTS FOR Windows 10 and later
Before running Npcap (nmap.org/npcap)
must be installed. During installation enable compatibility mode with WinPcap.
DEEP INSIGHT
Many of functions AnetTest implements are the combinations of two base functions:
sending and receiving of packets or blocks of data over TCP connection. Above these
functions there is a script language.
The script enables you to
1.
Define packets which will be generated.
Packet's content may be described as a set of fields with various value
types: numbers, strings, network addresses. It's possible to define own fields in
order to build custom packet's templates and headers for new protocols;
2.
Define packets which will be expected. Waiting these packets.
It's possible to specify requests for each expected packet: must be received or
must not be received. So the script is not only the description of the sequence
of actions but also the description of the reaction of network objects and applications.
The script can perform a fully automatic test making the conclusion about its success;
3.
Make the decision about the next actions.
The decision can be made based on the type of received packet simply or on received
packet's content. For these purposes the script language has been developed to be
able to use variables and branches. So powerful analysis can be performed;
4.
Other useful operations.
AUTOMATED FIREWALL TESTING
AnetTest was initially developed for automated firewall testing. Only hardware firewalls
are supposed but such firewalls may be implemented by loading firewall software
on a separate computer.
Packet filter testing
For packet filter testing it's possible to describe a set of different packets in
script, and also the requests for each of them weather it must be passed by the
filter or must not be.
If you are able to connect all the interfaces of filter to a single computer then
it will be possible to implement an easy and fast test.
Samples: fasttest
Otherwise you will need to implement an additional automated system which would
be able to synchronously start a packet generator and sniffers on different computers,
and gather the trace-files issued by the sniffers.
Samples: compare_mode,
compare_mode1
Testing through network activity imitation
While testing complex firewalls the work with separate packets is quite difficult.
AnetTest offers the ability of work with the samples of network traffic stored in
trace-file. So it imitates network activity in strict compliance with trace-file.
Requests may be specified about what packets must be passed by firewall and what
are not.
It should be noted that the imitation doesn't mean the simple generation of the
packets from trace-file. Packets must be generated from different sources so the
initial configuration of test is requied.
1. Generating any packets at channel level for Ethernet networks;
2. Work with TCP sessions. Sending and receiving data over TCP connection.
Imitating client or server;
3. Sending some data alternating with receiving some expected data;
4. Using (creating) own headers for any network protocol or packet's template;
5. Support of flexible language with conditions, variables, cycles, etc.;
6. Creating own sniffers with custom output. Analysis of packets content;
7. Writing various network tools for testing, monitoring or imitating of network devices;
8. Work with statistic from tests. Displaying summary reports;
9. Automated testing of firewalls;
10. Imitating the work of network applications using info from trace file.
It may be useful for implementing automated testing of firewall;
11. Modifying and analyzing of trace files.
Many of functions AnetTest implements are the combinations of two base functions: sending and receiving of packets or blocks of data over TCP connection. Above these functions there is a script language.
The script enables you to
1.
2.
3.
4.
AnetTest was initially developed for automated firewall testing. Only hardware firewalls are supposed but such firewalls may be implemented by loading firewall software on a separate computer.
Packet filter testing
For packet filter testing it's possible to describe a set of different packets in script, and also the requests for each of them weather it must be passed by the filter or must not be.
If you are able to connect all the interfaces of filter to a single computer then it will be possible to implement an easy and fast test.
Otherwise you will need to implement an additional automated system which would be able to synchronously start a packet generator and sniffers on different computers, and gather the trace-files issued by the sniffers.
Testing through network activity imitation
While testing complex firewalls the work with separate packets is quite difficult. AnetTest offers the ability of work with the samples of network traffic stored in trace-file. So it imitates network activity in strict compliance with trace-file. Requests may be specified about what packets must be passed by firewall and what are not.
It should be noted that the imitation doesn't mean the simple generation of the packets from trace-file. Packets must be generated from different sources so the initial configuration of test is requied.
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