Prohibited Network Traffic Allowed-禁止的网络流量
Splunk查询:
| tstats `summariesonly` count min(_time) as firstTime max(_time) as lastTime from datamodel=Network_Traffic where All_Traffic.action = allowed by All_Traffic.src_ip All_Traffic.dest_ip All_Traffic.dest_port All_Traffic.action | lookup update=true interesting_ports_lookup dest_port as All_Traffic.dest_port OUTPUT app is_prohibited note transport | search is_prohibited=true | `ctime(firstTime)` | `ctime(lastTime)` | `drop_dm_object_name("All_Traffic")`
earliest=-70m@m latest=-10m@m
interesting_ports_lookup查找表内容:
应用 |
dest |
dest_pci_domain |
dest_port |
is_prohibited |
is_required |
is_secure |
note |
协议 |
echo |
* |
* |
7 |
true |
false |
false |
TCP/UDP small services should be disabled since they are inherently insecure |
tcp |
echo |
* |
* |
7 |
true |
false |
false |
TCP/UDP small services should be disabled since they are inherently insecure |
udp |
discard |
* |
* |
9 |
true |
false |
false |
TCP/UDP small services should be disabled since they are inherently insecure |
tcp |
discard |
* |
* |
9 |
true |
false |
false |
TCP/UDP small services should be disabled since they are inherently insecure |
udp |
daytime |
* |
* |
13 |
true |
false |
false |
TCP/UDP small services should be disabled since they are inherently insecure |
tcp |
daytime |
* |
* |
13 |
true |
false |
false |
TCP/UDP small services should be disabled since they are inherently insecure |
udp |
chargen |
* |
* |
19 |
true |
false |
false |
TCP/UDP small services should be disabled since they are inherently insecure |
tcp |
chargen |
* |
* |
19 |
true |
false |
false |
TCP/UDP small services should be disabled since they are inherently insecure |
udp |
ftp-data |
* |
* |
20 |
true |
false |
false |
Unencrypted FTP services are insecure. |
tcp |
ftp-data |
* |
* |
20 |
true |
false |
false |
Unencrypted FTP services are insecure. |
udp |
ftp |
* |
* |
21 |
true |
false |
false |
Unencrypted FTP services are insecure. |
tcp |
ftp |
* |
* |
21 |
true |
false |
false |
Unencrypted FTP services are insecure. |
udp |
ssh |
* |
* |
22 |
false |
false |
true |
Secure shell is permitted AND secure. |
tcp |
ssh |
* |
* |
22 |
false |
false |
true |
Secure shell is permitted AND secure. |
udp |
telnet |
* |
* |
23 |
true |
false |
false |
Unencrypted telnet services are insecure. |
tcp |
telnet |
* |
* |
23 |
true |
false |
false |
Unencrypted telnet services are insecure. |
udp |
http |
* |
* |
80 |
false |
false |
false |
HTTP is considered insecure. |
tcp |
pop3 |
* |
* |
110 |
true |
false |
false |
Post office protocol is considered insecure. |
tcp |
pop3 |
* |
* |
110 |
true |
false |
false |
Post office protocol is considered insecure. |
udp |
netbios-ns |
* |
* |
137 |
true |
false |
false |
NetBIOS name service is considered insecure. |
tcp |
netbios-ns |
* |
* |
137 |
true |
false |
false |
NetBIOS name service is considered insecure. |
udp |
netbios-dgm |
* |
* |
138 |
true |
false |
false |
NetBIOS datagram service is considered insecure. |
tcp |
netbios-dgm |
* |
* |
138 |
true |
false |
false |
NetBIOS datagram service is considered insecure. |
udp |
netbios-ssn |
* |
* |
139 |
true |
false |
false |
NetBIOS session service is considered insecure. |
tcp |
netbios-ssn |
* |
* |
139 |
true |
false |
false |
NetBIOS session service is considered insecure. |
udp |
https |
* |
* |
443 |
false |
false |
true |
HTTPS service is permitted AND secure. |
tcp |
isakmp |
* |
* |
500 |
false |
false |
true |
ISAKMP service is permitted AND secure. |
tcp |
isakmp |
* |
* |
500 |
false |
false |
true |
ISAKMP service is permitted AND secure. |
udp |
login |
* |
* |
513 |
true |
false |
false |
Remote login (rlogin) is considered insecure. |
tcp |
shell |
* |
* |
514 |
true |
false |
false |
Remote shell (rsh) is considered insecure. |
tcp |
syslog |
* |
* |
514 |
false |
false |
false |
Syslog service is permitted but NOT secure. |
udp |
oracle |
* |
* |
1521 |
false |
false |
true |
Oracle database default listener |
tcp |
ms-sql-s |
* |
* |
1433 |
false |
false |
true |
Microsoft SQL server default listener |
tcp |
ms-sql-s |
* |
* |
1433 |
false |
false |
true |
Microsoft SQL server default listener |
udp |
l2tp |
* |
* |
1701 |
false |
false |
true |
Layer 2 tunneling protocol |
tcp |
l2tp |
* |
* |
1701 |
false |
false |
true |
Layer 2 tunneling protocol |
udp |
pptp |
* |
* |
1723 |
false |
false |
true |
Point to point tunneling protocol |
tcp |
ms-wbt-server |
* |
* |
3389 |
false |
false |
true |
Microsoft Windows-based terminal server |
tcp |
ms-wbt-server |
* |
* |
3389 |
false |
false |
true |
Microsoft Windows-based terminal server |
udp |
ipsec-nat-t |
* |
* |
4500 |
false |
false |
true |
IPsec NAT-Traversal |
tcp |
ipsec-nat-t |
* |
* |
4500 |
false |
false |
true |
IPsec NAT-Traversal |
udp |