C:\Program Files\ntop-Win32>nslookup 204.6.15.8
Server: aus-dc02.company.pvt
Address: 204.6.15.251
Name: netman
Address: 204.6.15.8
C:\Program Files\ntop-Win32>nslookup netman
Server: aus-dc02.company.pvt
Address: 204.6.15.251
Name: netman.company.pvt
Address: 204.6.15.8
C:\Program Files\ntop-Win32>ntop -g netman:4444
21/Jun/2002 12:53:56 Unable to resolve address 'netman'
C:\Program Files\ntop-Win32>ntop -g 204.6.15.8:4444
21/Jun/2002 12:54:06 Unable to resolve address '204.6.15.8'
----- Forwarded by Jonathan S. Polacheck/AUSTIN/THE_FUND on 06/21/2002
12:55 PM -----
"Burton M.
Strauss III" To: <[EMAIL PROTECTED]>
<Burton@ntopsu cc: <[EMAIL PROTECTED]>
pport.com> Subject: RE: [Ntop-dev] ntop -g on a
Win2K system (ntop-2.0-demo.exe)
06/21/2002
11:55 AM
All ntop does is use the standard gethostbyname() function. There are some
knowledge base articles about it - fixes in SP2.
Now, it should just return the same thing (see note below from
gethostbyname() man page), but perhaps they are being clever??
Anyway, try
1) nslookup on the numeric address
2) use the name in the -g parameter (or both)
and let us know...
-----Burton
sql.c
static void openSQLsocket(char* dstHost, int dstPort) {
struct hostent *hostAddr = gethostbyname(dstHost);
if(hostAddr == NULL) {
traceEvent(TRACE_INFO, "Unable to resolve address '%s'\n", dstHost);
exit(-1);
}
memcpy(&dest.sin_addr.s_addr, hostAddr->h_addr_list[0],
hostAddr->h_length);
dest.sin_family = AF_INET;
dest.sin_port = (int)htons((unsigned short int)dstPort);
sqlSocket = socket (AF_INET, SOCK_DGRAM, 0);
if(sqlSocket <= 0) {
traceEvent(TRACE_INFO, "Unable to open SQLsocket\n");
exit(-1);
} else {
traceEvent(TRACE_INFO, "Open channel with ntop SQL client running @
%s:%d\n", dstHost, dstPort);
}
}
man gethostbyname
...
The name argument to gethostbyname is a character string
containing an
Internet hostname or an Internet address in standard dot notation (see
inet(3N)). If the name contains no dot, and if the
environment
variable
HOSTALIASES contains the name of an alias file, the alias file is
first
searched for an alias matching the input name. See hostname(5)
for the
alias file format. The addr argument to
gethostbyaddr points to a
buffer
containing a 32-bit Internet host address in network byte
order.
addrlen
contains the address length in bytes; it should be set to
sizeof(struct
in_addr). type specifies the address family and should be
set to
AF_INET.
...
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf
Of Jonathan S. Polacheck
Sent: Friday, June 21, 2002 11:12 AM
To: [EMAIL PROTECTED]
Subject: [Ntop-dev] ntop -g on a Win2K system (ntop-2.0-demo.exe)
C:\Program Files\ntop-Win32>nslookup netman
Server: aus-dc02.company.pvt
Address: 204.6.15.251
Name: netman.company.pvt
Address: 204.6.15.8
C:\Program Files\ntop-Win32>ntop -g 204.6.15.8:4444
21/Jun/2002 10:59:10 Unable to resolve address '204.6.15.8'
????
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