10 More Discussions You Might Find Interesting
1. Android
May I assume that there is no point to format your SD Card (assume you have the 32 GB size) to NTFS if the device can support SD Card of up to 32 GB and FAT32 maximum limit is also exactly 32 GB?
"Crest Accountants
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2. BSD
Hello, all. My english is not good.
I have a problem installing FreeBsd.
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3. AIX
Hi,
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4. BSD
Hello there. I installed NetBSD yesterday on an older system to try it out. Everytime I boot, I have to enter in the root device (disk) manually wd0 which then proceeds into asking to define the dump device: is the default then, the sbin/init My question is where am I supposed to... (1 Reply)
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5. SuSE
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6. OS X (Apple)
sudo tcpdump -s 3600 -q -nxS -i en1 'ip and port 80' -w - | strings
this gives me a tcpdump: syntax error and i dont know why.
plz help
thanks a lot
andrew ;) (1 Reply)
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7. AIX
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9. UNIX for Dummies Questions & Answers
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10. IP Networking
Hi,
I'm trying to use tcpdump for the first time. I installed tcpdump from the rpm. Now when I issue the command tcpdump port 6666, I get an error
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PFLOG(4) BSD Kernel Interfaces Manual PFLOG(4)
NAME
pflog -- packet filter logging interface
SYNOPSIS
device pflog
DESCRIPTION
The pflog interface is a device which makes visible all packets logged by the packet filter, pf(4). Logged packets can easily be monitored
in real time by invoking tcpdump(1) on the pflog interface, or stored to disk using pflogd(8).
The pflog0 interface is created automatically at boot if both pf(4) and pflogd(8) are enabled; further instances can be created using
ifconfig(8).
Each packet retrieved on this interface has a header associated with it of length PFLOG_HDRLEN. This header documents the address family,
interface name, rule number, reason, action, and direction of the packet that was logged. This structure, defined in <net/if_pflog.h> looks
like
struct pfloghdr {
u_int8_t length;
sa_family_t af;
u_int8_t action;
u_int8_t reason;
char ifname[IFNAMSIZ];
char ruleset[PF_RULESET_NAME_SIZE];
u_int32_t rulenr;
u_int32_t subrulenr;
uid_t uid;
pid_t pid;
uid_t rule_uid;
pid_t rule_pid;
u_int8_t dir;
u_int8_t pad[3];
};
EXAMPLES
Create a pflog interface and monitor all packets logged on it:
# ifconfig pflog1 up
# tcpdump -n -e -ttt -i pflog1
SEE ALSO
tcpdump(1), inet(4), inet6(4), netintro(4), pf(4), ifconfig(8), pflogd(8)
HISTORY
The pflog device first appeared in OpenBSD 3.0.
BSD
May 31, 2007 BSD
