python端口扫描程序详解编程语言

这是一个简单的网络程序,可以用来扫描指定ip的常用端口

from socket import * 
tgtHost=raw_input("What is the web address?: ") 
tgtPorts=raw_input("What are the ports seperated by commas? or would you like to test all?: ") 
def connScan(tgtHost, tgtPort): 
    try: 
        connSkt=socket(AF_INET, SOCK_STREAM) 
        connSkt.settimeout(10) 
        connSkt.connect((tgtHost, tgtPort)) 
        connSkt.settimeout(None) 
        print("%d/tcp open"%tgtPort) 
    except: 
        print("%d/tcp closed"%tgtPort) 
def portScan(tgtHost, tgtports): 
    global tgtPorts 
     
    if  tgtPorts=="yes" or tgtPorts=="ya" or tgtPorts=="sure" or tgtPorts=="ok" or tgtPorts=="y" or tgtPorts=="Y": 
         tgtPorts=21, 22, 23, 25, 42, 43, 53, 67, 79, 80, 102, 110, 115, 119, 123, 135, 137, 143, 161, 179, 379, 389, 443, 445, 465, 636, 993, 995, 1026, 1080, 1090, 1433, 1434, 1521, 1677, 1701, 1720, 1723, 1900, 2409, 3101, 3306, 3389, 3390, 3535, 4321, 4664, 5190, 5500, 5631, 5632, 5900, 7070, 7100, 8000, 8080, 8799, 8880, 9100, 19430, 39720 
     
     
    try: 
        tgtIP=gethostbyname(tgtHost) 
    except: 
        print(" Cannot resolve '%s': Unknown host"%tgtHost) 
        return 
    try: 
        tgtName=gethostbyaddr(tgtIP) 
        print('/n Scan results for: %s' %tgtName) 
    except: 
        print('/n Scan results for: %s' %tgtIP) 
    tgtPorts=tgtPorts.split(',') 
    for port in tgtPorts: 
        print('Scanning port %s'%port) 
        connScan(tgtHost, int(port)) 
def main(): 
    portScan(tgtHost, tgtPorts) 
if __name__=='__main__': 
    main()

原创文章,作者:ItWorker,如若转载,请注明出处:https://blog.ytso.com/8316.html

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