sniffer

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Related to sniffer program: packet logger, Packet sniffing, Packet sniffer

sniff

 (snĭf)
v. sniffed, sniff·ing, sniffs
v.intr.
1.
a. To inhale a short, audible breath through the nose, as in smelling something.
b. To sniffle.
2. To use the sense of smell, as in savoring or investigating: sniffed at the jar to see what it held.
3. To regard something in a contemptuous or dismissive manner: The critics sniffed at the adaptation of the novel to film.
4. Informal To pry; snoop: The reporters came sniffing around for more details.
v.tr.
1. To inhale forcibly through the nose: sniffed the cool morning air.
2. To smell, as in savoring or investigating: sniffed the lilacs; sniffed the breeze for traces of smoke.
3. To perceive or detect by or as if by sniffing: dogs that sniffed out the trail through the snow; sniffed trouble ahead.
4. To utter in a contemptuous or haughty manner: The countess sniffed her disapproval.
n.
1. An instance or the sound of sniffing.
2. Something sniffed or perceived by or as if by sniffing; a whiff: a sniff of perfume; a sniff of scandal.

[Middle English sniffen, probably of Scandinavian origin.]

sniff′a·ble adj.
sniff′er n.

sniffer

(ˈsnɪfə)
n
1. (Law) a device for detecting hidden substances such as drugs or explosives, esp by their odour
2. (Telecommunications) a computer program or device used to monitor, detect, and capture data on a network
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sniffer - a person who sniffs
individual, mortal, person, somebody, someone, soul - a human being; "there was too much for one person to do"
References in periodicals archive ?
The sniffer program would provide much more information than the company's standard audit software, which only gave a basic description of the day-to-day network operations, such as the number of Internet accesses that were granted.
Once they found a vulnerable network, they installed sniffer programs to capture credit card numbers as they moved through a retailer's processing networks.
Sniffer programs capture, monitors and analyze network traffic, detecting bottlenecks and other problems.